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Finding the Fourth Proportional to 75,411.92, 104,062.38 and 43,582.88

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Solution

The fourth proportional to 75,411.92, 104,062.38 and 43,582.88 is: 60,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.92 : 104,062.38 = 43,582.88 : x
  2. Step 2: Convert to fraction form
    75,411.92/104,062.38 = 43,582.88/x
  3. Step 3: Cross multiply
    75,411.92x = 104,062.38 × 43,582.88
  4. Step 4: Simplify right side
    75,411.92x = 4,535,338,220.05
  5. Step 5: Solve for x
    x = 4,535,338,220.05/75,411.92
  6. Step 6: Final answer
    x = 60,140.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.