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Finding the Fourth Proportional to 177,359.55, 244,764.15 and 99,861.87

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Solution

The fourth proportional to 177,359.55, 244,764.15 and 99,861.87 is: 137,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,359.55 : 244,764.15 = 99,861.87 : x
  2. Step 2: Convert to fraction form
    177,359.55/244,764.15 = 99,861.87/x
  3. Step 3: Cross multiply
    177,359.55x = 244,764.15 × 99,861.87
  4. Step 4: Simplify right side
    177,359.55x = 24,442,606,833.07
  5. Step 5: Solve for x
    x = 24,442,606,833.07/177,359.55
  6. Step 6: Final answer
    x = 137,813.88

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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.