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Finding the Fourth Proportional to 158.73, 238.08 and 62.54

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Solution

The fourth proportional to 158.73, 238.08 and 62.54 is: 93.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.73 : 238.08 = 62.54 : x
  2. Step 2: Convert to fraction form
    158.73/238.08 = 62.54/x
  3. Step 3: Cross multiply
    158.73x = 238.08 × 62.54
  4. Step 4: Simplify right side
    158.73x = 14,889.52
  5. Step 5: Solve for x
    x = 14,889.52/158.73
  6. Step 6: Final answer
    x = 93.80

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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.