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Finding the Fourth Proportional to 57,550,643.70, 86,325,965.55 and 57,550,643.70

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Solution

The fourth proportional to 57,550,643.70, 86,325,965.55 and 57,550,643.70 is: 86,325,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550,643.70 : 86,325,965.55 = 57,550,643.70 : x
  2. Step 2: Convert to fraction form
    57,550,643.70/86,325,965.55 = 57,550,643.70/x
  3. Step 3: Cross multiply
    57,550,643.70x = 86,325,965.55 × 57,550,643.70
  4. Step 4: Simplify right side
    57,550,643.70x = 4,968,114,885,426,525
  5. Step 5: Solve for x
    x = 4,968,114,885,426,525/57,550,643.70
  6. Step 6: Final answer
    x = 86,325,965.55

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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.