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Finding the Fourth Proportional to 332.12, 498 and 115.52

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Solution

The fourth proportional to 332.12, 498 and 115.52 is: 173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.12 : 498 = 115.52 : x
  2. Step 2: Convert to fraction form
    332.12/498 = 115.52/x
  3. Step 3: Cross multiply
    332.12x = 498 × 115.52
  4. Step 4: Simplify right side
    332.12x = 57,528.96
  5. Step 5: Solve for x
    x = 57,528.96/332.12
  6. Step 6: Final answer
    x = 173.22

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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.