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Finding the Fourth Proportional to 178.48, 267.84 and 93.04

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Solution

The fourth proportional to 178.48, 267.84 and 93.04 is: 139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.48 : 267.84 = 93.04 : x
  2. Step 2: Convert to fraction form
    178.48/267.84 = 93.04/x
  3. Step 3: Cross multiply
    178.48x = 267.84 × 93.04
  4. Step 4: Simplify right side
    178.48x = 24,919.83
  5. Step 5: Solve for x
    x = 24,919.83/178.48
  6. Step 6: Final answer
    x = 139.62

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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.