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Finding the Fourth Proportional to 79,761.47, 119,529.32 and 44,238.42

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Solution

The fourth proportional to 79,761.47, 119,529.32 and 44,238.42 is: 66,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.47 : 119,529.32 = 44,238.42 : x
  2. Step 2: Convert to fraction form
    79,761.47/119,529.32 = 44,238.42/x
  3. Step 3: Cross multiply
    79,761.47x = 119,529.32 × 44,238.42
  4. Step 4: Simplify right side
    79,761.47x = 5,287,788,039.28
  5. Step 5: Solve for x
    x = 5,287,788,039.28/79,761.47
  6. Step 6: Final answer
    x = 66,295.02

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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.