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Finding the Fourth Proportional to 59,791,726.60, 89,687,589.90 and 58,657,985.80

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Solution

The fourth proportional to 59,791,726.60, 89,687,589.90 and 58,657,985.80 is: 87,986,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,791,726.60 : 89,687,589.90 = 58,657,985.80 : x
  2. Step 2: Convert to fraction form
    59,791,726.60/89,687,589.90 = 58,657,985.80/x
  3. Step 3: Cross multiply
    59,791,726.60x = 89,687,589.90 × 58,657,985.80
  4. Step 4: Simplify right side
    59,791,726.60x = 5,260,893,374,790,424
  5. Step 5: Solve for x
    x = 5,260,893,374,790,424/59,791,726.60
  6. Step 6: Final answer
    x = 87,986,978.70

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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.