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Finding the Fourth Proportional to 178.60, 267.62 and 158.08

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Solution

The fourth proportional to 178.60, 267.62 and 158.08 is: 236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.60 : 267.62 = 158.08 : x
  2. Step 2: Convert to fraction form
    178.60/267.62 = 158.08/x
  3. Step 3: Cross multiply
    178.60x = 267.62 × 158.08
  4. Step 4: Simplify right side
    178.60x = 42,305.37
  5. Step 5: Solve for x
    x = 42,305.37/178.60
  6. Step 6: Final answer
    x = 236.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.