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Finding the Fourth Proportional to 59,136.48, 88,718.85 and 19,693.92

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Solution

The fourth proportional to 59,136.48, 88,718.85 and 19,693.92 is: 29,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136.48 : 88,718.85 = 19,693.92 : x
  2. Step 2: Convert to fraction form
    59,136.48/88,718.85 = 19,693.92/x
  3. Step 3: Cross multiply
    59,136.48x = 88,718.85 × 19,693.92
  4. Step 4: Simplify right side
    59,136.48x = 1,747,221,934.39
  5. Step 5: Solve for x
    x = 1,747,221,934.39/59,136.48
  6. Step 6: Final answer
    x = 29,545.59

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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.