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Finding the Fourth Proportional to 59,132.70, 88,713.23 and 19,690.16

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Solution

The fourth proportional to 59,132.70, 88,713.23 and 19,690.16 is: 29,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,132.70 : 88,713.23 = 19,690.16 : x
  2. Step 2: Convert to fraction form
    59,132.70/88,713.23 = 19,690.16/x
  3. Step 3: Cross multiply
    59,132.70x = 88,713.23 × 19,690.16
  4. Step 4: Simplify right side
    59,132.70x = 1,746,777,150.80
  5. Step 5: Solve for x
    x = 1,746,777,150.80/59,132.70
  6. Step 6: Final answer
    x = 29,539.95

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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.