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Finding the Fourth Proportional to 132,481.52, 182,822.72 and 72,050.86

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Solution

The fourth proportional to 132,481.52, 182,822.72 and 72,050.86 is: 99,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.52 : 182,822.72 = 72,050.86 : x
  2. Step 2: Convert to fraction form
    132,481.52/182,822.72 = 72,050.86/x
  3. Step 3: Cross multiply
    132,481.52x = 182,822.72 × 72,050.86
  4. Step 4: Simplify right side
    132,481.52x = 13,172,534,203.54
  5. Step 5: Solve for x
    x = 13,172,534,203.54/132,481.52
  6. Step 6: Final answer
    x = 99,429.22

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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.