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Finding the Fourth Proportional to 158.04, 236.82 and 93.96

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Solution

The fourth proportional to 158.04, 236.82 and 93.96 is: 140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.04 : 236.82 = 93.96 : x
  2. Step 2: Convert to fraction form
    158.04/236.82 = 93.96/x
  3. Step 3: Cross multiply
    158.04x = 236.82 × 93.96
  4. Step 4: Simplify right side
    158.04x = 22,251.61
  5. Step 5: Solve for x
    x = 22,251.61/158.04
  6. Step 6: Final answer
    x = 140.80

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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.