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Finding the Fourth Proportional to 132,793.54, 183,249.29 and 75,432.69

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Solution

The fourth proportional to 132,793.54, 183,249.29 and 75,432.69 is: 104,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,793.54 : 183,249.29 = 75,432.69 : x
  2. Step 2: Convert to fraction form
    132,793.54/183,249.29 = 75,432.69/x
  3. Step 3: Cross multiply
    132,793.54x = 183,249.29 × 75,432.69
  4. Step 4: Simplify right side
    132,793.54x = 13,822,987,073.87
  5. Step 5: Solve for x
    x = 13,822,987,073.87/132,793.54
  6. Step 6: Final answer
    x = 104,093.82

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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.