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Finding the Fourth Proportional to 108,614.52, 162,921.96 and 29,722.86

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Solution

The fourth proportional to 108,614.52, 162,921.96 and 29,722.86 is: 44,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.52 : 162,921.96 = 29,722.86 : x
  2. Step 2: Convert to fraction form
    108,614.52/162,921.96 = 29,722.86/x
  3. Step 3: Cross multiply
    108,614.52x = 162,921.96 × 29,722.86
  4. Step 4: Simplify right side
    108,614.52x = 4,842,506,608.01
  5. Step 5: Solve for x
    x = 4,842,506,608.01/108,614.52
  6. Step 6: Final answer
    x = 44,584.34

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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.