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Finding the Fourth Proportional to 144,594.96, 199,545.24 and 80,931.12

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Solution

The fourth proportional to 144,594.96, 199,545.24 and 80,931.12 is: 111,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,594.96 : 199,545.24 = 80,931.12 : x
  2. Step 2: Convert to fraction form
    144,594.96/199,545.24 = 80,931.12/x
  3. Step 3: Cross multiply
    144,594.96x = 199,545.24 × 80,931.12
  4. Step 4: Simplify right side
    144,594.96x = 16,149,419,763.87
  5. Step 5: Solve for x
    x = 16,149,419,763.87/144,594.96
  6. Step 6: Final answer
    x = 111,687.29

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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.