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Finding the Fourth Proportional to 79,823.44, 119,781.65 and 44,314.47

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Solution

The fourth proportional to 79,823.44, 119,781.65 and 44,314.47 is: 66,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,823.44 : 119,781.65 = 44,314.47 : x
  2. Step 2: Convert to fraction form
    79,823.44/119,781.65 = 44,314.47/x
  3. Step 3: Cross multiply
    79,823.44x = 119,781.65 × 44,314.47
  4. Step 4: Simplify right side
    79,823.44x = 5,308,060,335.48
  5. Step 5: Solve for x
    x = 5,308,060,335.48/79,823.44
  6. Step 6: Final answer
    x = 66,497.51

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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.