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Finding the Fourth Proportional to 108,449.38, 162,702.11 and 63,508.69

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Solution

The fourth proportional to 108,449.38, 162,702.11 and 63,508.69 is: 95,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,449.38 : 162,702.11 = 63,508.69 : x
  2. Step 2: Convert to fraction form
    108,449.38/162,702.11 = 63,508.69/x
  3. Step 3: Cross multiply
    108,449.38x = 162,702.11 × 63,508.69
  4. Step 4: Simplify right side
    108,449.38x = 10,332,997,866.34
  5. Step 5: Solve for x
    x = 10,332,997,866.34/108,449.38
  6. Step 6: Final answer
    x = 95,279.46

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1.5x scale

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.