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Finding the Fourth Proportional to 59,136.70, 88,719.22 and 19,694.18

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Solution

The fourth proportional to 59,136.70, 88,719.22 and 19,694.18 is: 29,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136.70 : 88,719.22 = 19,694.18 : x
  2. Step 2: Convert to fraction form
    59,136.70/88,719.22 = 19,694.18/x
  3. Step 3: Cross multiply
    59,136.70x = 88,719.22 × 19,694.18
  4. Step 4: Simplify right side
    59,136.70x = 1,747,252,288.14
  5. Step 5: Solve for x
    x = 1,747,252,288.14/59,136.70
  6. Step 6: Final answer
    x = 29,545.99

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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.