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Finding the Fourth Proportional to 108,013.44, 162,020.13 and 29,127.64

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Solution

The fourth proportional to 108,013.44, 162,020.13 and 29,127.64 is: 43,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,013.44 : 162,020.13 = 29,127.64 : x
  2. Step 2: Convert to fraction form
    108,013.44/162,020.13 = 29,127.64/x
  3. Step 3: Cross multiply
    108,013.44x = 162,020.13 × 29,127.64
  4. Step 4: Simplify right side
    108,013.44x = 4,719,264,019.39
  5. Step 5: Solve for x
    x = 4,719,264,019.39/108,013.44
  6. Step 6: Final answer
    x = 43,691.45

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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.