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Finding the Fourth Proportional to 88,543.60, 132,901.80 and 44,220.40

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Solution

The fourth proportional to 88,543.60, 132,901.80 and 44,220.40 is: 66,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,543.60 : 132,901.80 = 44,220.40 : x
  2. Step 2: Convert to fraction form
    88,543.60/132,901.80 = 44,220.40/x
  3. Step 3: Cross multiply
    88,543.60x = 132,901.80 × 44,220.40
  4. Step 4: Simplify right side
    88,543.60x = 5,876,970,756.72
  5. Step 5: Solve for x
    x = 5,876,970,756.72/88,543.60
  6. Step 6: Final answer
    x = 66,373.75

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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.