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Finding the Fourth Proportional to 158.72, 237.94 and 62.48

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Solution

The fourth proportional to 158.72, 237.94 and 62.48 is: 93.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.72 : 237.94 = 62.48 : x
  2. Step 2: Convert to fraction form
    158.72/237.94 = 62.48/x
  3. Step 3: Cross multiply
    158.72x = 237.94 × 62.48
  4. Step 4: Simplify right side
    158.72x = 14,866.49
  5. Step 5: Solve for x
    x = 14,866.49/158.72
  6. Step 6: Final answer
    x = 93.66

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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.