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Finding the Fourth Proportional to 79,314.66, 109,454.13 and 43,504.83

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Solution

The fourth proportional to 79,314.66, 109,454.13 and 43,504.83 is: 60,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,314.66 : 109,454.13 = 43,504.83 : x
  2. Step 2: Convert to fraction form
    79,314.66/109,454.13 = 43,504.83/x
  3. Step 3: Cross multiply
    79,314.66x = 109,454.13 × 43,504.83
  4. Step 4: Simplify right side
    79,314.66x = 4,761,783,318.45
  5. Step 5: Solve for x
    x = 4,761,783,318.45/79,314.66
  6. Step 6: Final answer
    x = 60,036.61

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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.