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Finding the Fourth Proportional to 67,259.72, 100,854.53 and 25,105.13

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Solution

The fourth proportional to 67,259.72, 100,854.53 and 25,105.13 is: 37,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.72 : 100,854.53 = 25,105.13 : x
  2. Step 2: Convert to fraction form
    67,259.72/100,854.53 = 25,105.13/x
  3. Step 3: Cross multiply
    67,259.72x = 100,854.53 × 25,105.13
  4. Step 4: Simplify right side
    67,259.72x = 2,531,965,645.23
  5. Step 5: Solve for x
    x = 2,531,965,645.23/67,259.72
  6. Step 6: Final answer
    x = 37,644.61

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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.