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Finding the Fourth Proportional to 332.11, 498.11 and 112.71

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Solution

The fourth proportional to 332.11, 498.11 and 112.71 is: 169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.11 : 498.11 = 112.71 : x
  2. Step 2: Convert to fraction form
    332.11/498.11 = 112.71/x
  3. Step 3: Cross multiply
    332.11x = 498.11 × 112.71
  4. Step 4: Simplify right side
    332.11x = 56,141.98
  5. Step 5: Solve for x
    x = 56,141.98/332.11
  6. Step 6: Final answer
    x = 169.05

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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.