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Finding the Fourth Proportional to 108,613.77, 162,920.84 and 29,722.11

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Solution

The fourth proportional to 108,613.77, 162,920.84 and 29,722.11 is: 44,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,613.77 : 162,920.84 = 29,722.11 : x
  2. Step 2: Convert to fraction form
    108,613.77/162,920.84 = 29,722.11/x
  3. Step 3: Cross multiply
    108,613.77x = 162,920.84 × 29,722.11
  4. Step 4: Simplify right side
    108,613.77x = 4,842,350,979.16
  5. Step 5: Solve for x
    x = 4,842,350,979.16/108,613.77
  6. Step 6: Final answer
    x = 44,583.21

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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.