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Finding the Fourth Proportional to 332.10, 498.11 and 88.64

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Solution

The fourth proportional to 332.10, 498.11 and 88.64 is: 132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.10 : 498.11 = 88.64 : x
  2. Step 2: Convert to fraction form
    332.10/498.11 = 88.64/x
  3. Step 3: Cross multiply
    332.10x = 498.11 × 88.64
  4. Step 4: Simplify right side
    332.10x = 44,153.60
  5. Step 5: Solve for x
    x = 44,153.60/332.10
  6. Step 6: Final answer
    x = 132.95

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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.