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Finding the Fourth Proportional to 75,402.48, 104,025.60 and 43,565.52

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Solution

The fourth proportional to 75,402.48, 104,025.60 and 43,565.52 is: 60,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.48 : 104,025.60 = 43,565.52 : x
  2. Step 2: Convert to fraction form
    75,402.48/104,025.60 = 43,565.52/x
  3. Step 3: Cross multiply
    75,402.48x = 104,025.60 × 43,565.52
  4. Step 4: Simplify right side
    75,402.48x = 4,531,929,357.31
  5. Step 5: Solve for x
    x = 4,531,929,357.31/75,402.48
  6. Step 6: Final answer
    x = 60,103.19

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Why These Related Problems?

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