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Finding the Fourth Proportional to 158.71, 237.50 and 125.92

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Solution

The fourth proportional to 158.71, 237.50 and 125.92 is: 188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.71 : 237.50 = 125.92 : x
  2. Step 2: Convert to fraction form
    158.71/237.50 = 125.92/x
  3. Step 3: Cross multiply
    158.71x = 237.50 × 125.92
  4. Step 4: Simplify right side
    158.71x = 29,906
  5. Step 5: Solve for x
    x = 29,906/158.71
  6. Step 6: Final answer
    x = 188.43

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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.