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Finding the Fourth Proportional to 84,447.60, 126,481.14 and 59,259.33

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Solution

The fourth proportional to 84,447.60, 126,481.14 and 59,259.33 is: 88,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.60 : 126,481.14 = 59,259.33 : x
  2. Step 2: Convert to fraction form
    84,447.60/126,481.14 = 59,259.33/x
  3. Step 3: Cross multiply
    84,447.60x = 126,481.14 × 59,259.33
  4. Step 4: Simplify right side
    84,447.60x = 7,495,187,614.04
  5. Step 5: Solve for x
    x = 7,495,187,614.04/84,447.60
  6. Step 6: Final answer
    x = 88,755.48

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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.