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Finding the Fourth Proportional to 332.13, 498.24 and 115.66

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Solution

The fourth proportional to 332.13, 498.24 and 115.66 is: 173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.13 : 498.24 = 115.66 : x
  2. Step 2: Convert to fraction form
    332.13/498.24 = 115.66/x
  3. Step 3: Cross multiply
    332.13x = 498.24 × 115.66
  4. Step 4: Simplify right side
    332.13x = 57,624.35
  5. Step 5: Solve for x
    x = 57,624.35/332.13
  6. Step 6: Final answer
    x = 173.50

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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.