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Finding the Fourth Proportional to 79,614.74, 109,871.34 and 43,803.92

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Solution

The fourth proportional to 79,614.74, 109,871.34 and 43,803.92 is: 60,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614.74 : 109,871.34 = 43,803.92 : x
  2. Step 2: Convert to fraction form
    79,614.74/109,871.34 = 43,803.92/x
  3. Step 3: Cross multiply
    79,614.74x = 109,871.34 × 43,803.92
  4. Step 4: Simplify right side
    79,614.74x = 4,812,795,387.65
  5. Step 5: Solve for x
    x = 4,812,795,387.65/79,614.74
  6. Step 6: Final answer
    x = 60,451.06

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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.