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Finding the Fourth Proportional to 115,893,642,670.80, 173,840,464,006.20 and 115,893,642,670.80

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Solution

The fourth proportional to 115,893,642,670.80, 173,840,464,006.20 and 115,893,642,670.80 is: 173,840,464,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,642,670.80 : 173,840,464,006.20 = 115,893,642,670.80 : x
  2. Step 2: Convert to fraction form
    115,893,642,670.80/173,840,464,006.20 = 115,893,642,670.80/x
  3. Step 3: Cross multiply
    115,893,642,670.80x = 173,840,464,006.20 × 115,893,642,670.80
  4. Step 4: Simplify right side
    115,893,642,670.80x = 20,147,004,617,260,615,598,080
  5. Step 5: Solve for x
    x = 20,147,004,617,260,615,598,080/115,893,642,670.80
  6. Step 6: Final answer
    x = 173,840,464,006.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.