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Finding the Fourth Proportional to 158,436, 237,757.68 and 59,940

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Solution

The fourth proportional to 158,436, 237,757.68 and 59,940 is: 89,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,436 : 237,757.68 = 59,940 : x
  2. Step 2: Convert to fraction form
    158,436/237,757.68 = 59,940/x
  3. Step 3: Cross multiply
    158,436x = 237,757.68 × 59,940
  4. Step 4: Simplify right side
    158,436x = 14,251,195,339.20
  5. Step 5: Solve for x
    x = 14,251,195,339.20/158,436
  6. Step 6: Final answer
    x = 89,949.22

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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.