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Finding the Fourth Proportional to 108,581.64, 162,874.71 and 29,695.38

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Solution

The fourth proportional to 108,581.64, 162,874.71 and 29,695.38 is: 44,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,581.64 : 162,874.71 = 29,695.38 : x
  2. Step 2: Convert to fraction form
    108,581.64/162,874.71 = 29,695.38/x
  3. Step 3: Cross multiply
    108,581.64x = 162,874.71 × 29,695.38
  4. Step 4: Simplify right side
    108,581.64x = 4,836,626,405.84
  5. Step 5: Solve for x
    x = 4,836,626,405.84/108,581.64
  6. Step 6: Final answer
    x = 44,543.69

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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.