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Finding the Fourth Proportional to 178.48, 267.93 and 119.96

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Solution

The fourth proportional to 178.48, 267.93 and 119.96 is: 180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.48 : 267.93 = 119.96 : x
  2. Step 2: Convert to fraction form
    178.48/267.93 = 119.96/x
  3. Step 3: Cross multiply
    178.48x = 267.93 × 119.96
  4. Step 4: Simplify right side
    178.48x = 32,140.28
  5. Step 5: Solve for x
    x = 32,140.28/178.48
  6. Step 6: Final answer
    x = 180.08

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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.