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Finding the Fourth Proportional to 79,200.52, 109,293.38 and 47,350.60

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Solution

The fourth proportional to 79,200.52, 109,293.38 and 47,350.60 is: 65,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200.52 : 109,293.38 = 47,350.60 : x
  2. Step 2: Convert to fraction form
    79,200.52/109,293.38 = 47,350.60/x
  3. Step 3: Cross multiply
    79,200.52x = 109,293.38 × 47,350.60
  4. Step 4: Simplify right side
    79,200.52x = 5,175,107,119.03
  5. Step 5: Solve for x
    x = 5,175,107,119.03/79,200.52
  6. Step 6: Final answer
    x = 65,341.83

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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.