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Finding the Fourth Proportional to 237,793, 356,438.10 and 87,937.16

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Solution

The fourth proportional to 237,793, 356,438.10 and 87,937.16 is: 131,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,793 : 356,438.10 = 87,937.16 : x
  2. Step 2: Convert to fraction form
    237,793/356,438.10 = 87,937.16/x
  3. Step 3: Cross multiply
    237,793x = 356,438.10 × 87,937.16
  4. Step 4: Simplify right side
    237,793x = 31,344,154,229.80
  5. Step 5: Solve for x
    x = 31,344,154,229.80/237,793
  6. Step 6: Final answer
    x = 131,812.77

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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.