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Finding the Fourth Proportional to 174.34, 240.04 and 132.76

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Solution

The fourth proportional to 174.34, 240.04 and 132.76 is: 182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.34 : 240.04 = 132.76 : x
  2. Step 2: Convert to fraction form
    174.34/240.04 = 132.76/x
  3. Step 3: Cross multiply
    174.34x = 240.04 × 132.76
  4. Step 4: Simplify right side
    174.34x = 31,867.71
  5. Step 5: Solve for x
    x = 31,867.71/174.34
  6. Step 6: Final answer
    x = 182.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.