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Finding the Fourth Proportional to 332.16, 498.25 and 88.69

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Solution

The fourth proportional to 332.16, 498.25 and 88.69 is: 133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 498.25 = 88.69 : x
  2. Step 2: Convert to fraction form
    332.16/498.25 = 88.69/x
  3. Step 3: Cross multiply
    332.16x = 498.25 × 88.69
  4. Step 4: Simplify right side
    332.16x = 44,189.59
  5. Step 5: Solve for x
    x = 44,189.59/332.16
  6. Step 6: Final answer
    x = 133.04

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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.