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Finding the Fourth Proportional to 60,499,073.60, 90,748,610.40 and 20,104,308.80

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Solution

The fourth proportional to 60,499,073.60, 90,748,610.40 and 20,104,308.80 is: 30,156,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499,073.60 : 90,748,610.40 = 20,104,308.80 : x
  2. Step 2: Convert to fraction form
    60,499,073.60/90,748,610.40 = 20,104,308.80/x
  3. Step 3: Cross multiply
    60,499,073.60x = 90,748,610.40 × 20,104,308.80
  4. Step 4: Simplify right side
    60,499,073.60x = 1,824,438,086,652,491.75
  5. Step 5: Solve for x
    x = 1,824,438,086,652,491.75/60,499,073.60
  6. Step 6: Final answer
    x = 30,156,463.20

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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.