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Finding the Fourth Proportional to 107,308.29, 160,899.21 and 40,753.11

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Solution

The fourth proportional to 107,308.29, 160,899.21 and 40,753.11 is: 61,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,308.29 : 160,899.21 = 40,753.11 : x
  2. Step 2: Convert to fraction form
    107,308.29/160,899.21 = 40,753.11/x
  3. Step 3: Cross multiply
    107,308.29x = 160,899.21 × 40,753.11
  4. Step 4: Simplify right side
    107,308.29x = 6,557,143,204.04
  5. Step 5: Solve for x
    x = 6,557,143,204.04/107,308.29
  6. Step 6: Final answer
    x = 61,105.65

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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.