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Finding the Fourth Proportional to 144,614.48, 199,576.84 and 80,956.24

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Solution

The fourth proportional to 144,614.48, 199,576.84 and 80,956.24 is: 111,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,614.48 : 199,576.84 = 80,956.24 : x
  2. Step 2: Convert to fraction form
    144,614.48/199,576.84 = 80,956.24/x
  3. Step 3: Cross multiply
    144,614.48x = 199,576.84 × 80,956.24
  4. Step 4: Simplify right side
    144,614.48x = 16,156,990,557.48
  5. Step 5: Solve for x
    x = 16,156,990,557.48/144,614.48
  6. Step 6: Final answer
    x = 111,724.57

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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.