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Finding the Fourth Proportional to 60,486,217.60, 90,718,828.80 and 22,127,987.20

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Solution

The fourth proportional to 60,486,217.60, 90,718,828.80 and 22,127,987.20 is: 33,188,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486,217.60 : 90,718,828.80 = 22,127,987.20 : x
  2. Step 2: Convert to fraction form
    60,486,217.60/90,718,828.80 = 22,127,987.20/x
  3. Step 3: Cross multiply
    60,486,217.60x = 90,718,828.80 × 22,127,987.20
  4. Step 4: Simplify right side
    60,486,217.60x = 2,007,425,082,485,391.25
  5. Step 5: Solve for x
    x = 2,007,425,082,485,391.25/60,486,217.60
  6. Step 6: Final answer
    x = 33,188,140.41

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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.