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Finding the Fourth Proportional to 103,657.62, 155,237.26 and 59,149.43

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Solution

The fourth proportional to 103,657.62, 155,237.26 and 59,149.43 is: 88,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.62 : 155,237.26 = 59,149.43 : x
  2. Step 2: Convert to fraction form
    103,657.62/155,237.26 = 59,149.43/x
  3. Step 3: Cross multiply
    103,657.62x = 155,237.26 × 59,149.43
  4. Step 4: Simplify right side
    103,657.62x = 9,182,195,443.76
  5. Step 5: Solve for x
    x = 9,182,195,443.76/103,657.62
  6. Step 6: Final answer
    x = 88,581.96

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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.