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Finding the Fourth Proportional to 79,159.04, 109,234.46 and 43,349.48

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Solution

The fourth proportional to 79,159.04, 109,234.46 and 43,349.48 is: 59,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159.04 : 109,234.46 = 43,349.48 : x
  2. Step 2: Convert to fraction form
    79,159.04/109,234.46 = 43,349.48/x
  3. Step 3: Cross multiply
    79,159.04x = 109,234.46 × 43,349.48
  4. Step 4: Simplify right side
    79,159.04x = 4,735,256,601.28
  5. Step 5: Solve for x
    x = 4,735,256,601.28/79,159.04
  6. Step 6: Final answer
    x = 59,819.53

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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.