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Finding the Fourth Proportional to 108,191.52, 162,066.96 and 88,272

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Solution

The fourth proportional to 108,191.52, 162,066.96 and 88,272 is: 132,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,191.52 : 162,066.96 = 88,272 : x
  2. Step 2: Convert to fraction form
    108,191.52/162,066.96 = 88,272/x
  3. Step 3: Cross multiply
    108,191.52x = 162,066.96 × 88,272
  4. Step 4: Simplify right side
    108,191.52x = 14,305,974,693.12
  5. Step 5: Solve for x
    x = 14,305,974,693.12/108,191.52
  6. Step 6: Final answer
    x = 132,228.24

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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.