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Finding the Fourth Proportional to 79,437.52, 119,129.82 and 32,040.37

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Solution

The fourth proportional to 79,437.52, 119,129.82 and 32,040.37 is: 48,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.52 : 119,129.82 = 32,040.37 : x
  2. Step 2: Convert to fraction form
    79,437.52/119,129.82 = 32,040.37/x
  3. Step 3: Cross multiply
    79,437.52x = 119,129.82 × 32,040.37
  4. Step 4: Simplify right side
    79,437.52x = 3,816,963,719.82
  5. Step 5: Solve for x
    x = 3,816,963,719.82/79,437.52
  6. Step 6: Final answer
    x = 48,049.88

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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.