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Finding the Fourth Proportional to 59,791,859.60, 89,687,789.40 and 19,402,343.60

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Solution

The fourth proportional to 59,791,859.60, 89,687,789.40 and 19,402,343.60 is: 29,103,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,791,859.60 : 89,687,789.40 = 19,402,343.60 : x
  2. Step 2: Convert to fraction form
    59,791,859.60/89,687,789.40 = 19,402,343.60/x
  3. Step 3: Cross multiply
    59,791,859.60x = 89,687,789.40 × 19,402,343.60
  4. Step 4: Simplify right side
    59,791,859.60x = 1,740,153,306,663,238
  5. Step 5: Solve for x
    x = 1,740,153,306,663,238/59,791,859.60
  6. Step 6: Final answer
    x = 29,103,515.40

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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.