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Finding the Fourth Proportional to 79,359.54, 109,516.35 and 43,549.84

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Solution

The fourth proportional to 79,359.54, 109,516.35 and 43,549.84 is: 60,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.54 : 109,516.35 = 43,549.84 : x
  2. Step 2: Convert to fraction form
    79,359.54/109,516.35 = 43,549.84/x
  3. Step 3: Cross multiply
    79,359.54x = 109,516.35 × 43,549.84
  4. Step 4: Simplify right side
    79,359.54x = 4,769,419,519.88
  5. Step 5: Solve for x
    x = 4,769,419,519.88/79,359.54
  6. Step 6: Final answer
    x = 60,098.88

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1.5x scale

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.