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Finding the Fourth Proportional to 79,097.80, 109,154.96 and 43,287.82

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Solution

The fourth proportional to 79,097.80, 109,154.96 and 43,287.82 is: 59,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097.80 : 109,154.96 = 43,287.82 : x
  2. Step 2: Convert to fraction form
    79,097.80/109,154.96 = 43,287.82/x
  3. Step 3: Cross multiply
    79,097.80x = 109,154.96 × 43,287.82
  4. Step 4: Simplify right side
    79,097.80x = 4,725,080,260.59
  5. Step 5: Solve for x
    x = 4,725,080,260.59/79,097.80
  6. Step 6: Final answer
    x = 59,737.19

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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.