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Finding the Fourth Proportional to 158.74, 237.51 and 124.24

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Solution

The fourth proportional to 158.74, 237.51 and 124.24 is: 185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.74 : 237.51 = 124.24 : x
  2. Step 2: Convert to fraction form
    158.74/237.51 = 124.24/x
  3. Step 3: Cross multiply
    158.74x = 237.51 × 124.24
  4. Step 4: Simplify right side
    158.74x = 29,508.24
  5. Step 5: Solve for x
    x = 29,508.24/158.74
  6. Step 6: Final answer
    x = 185.89

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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.