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Finding the Fourth Proportional to 89,707,468,763.70, 134,561,203,145.55 and 89,707,468,763.70

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Solution

The fourth proportional to 89,707,468,763.70, 134,561,203,145.55 and 89,707,468,763.70 is: 134,561,203,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707,468,763.70 : 134,561,203,145.55 = 89,707,468,763.70 : x
  2. Step 2: Convert to fraction form
    89,707,468,763.70/134,561,203,145.55 = 89,707,468,763.70/x
  3. Step 3: Cross multiply
    89,707,468,763.70x = 134,561,203,145.55 × 89,707,468,763.70
  4. Step 4: Simplify right side
    89,707,468,763.70x = 12,071,144,927,985,315,872,768
  5. Step 5: Solve for x
    x = 12,071,144,927,985,315,872,768/89,707,468,763.70
  6. Step 6: Final answer
    x = 134,561,203,145.55

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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.