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Finding the Fourth Proportional to 295,061.76, 442,591.85 and 126,472.77

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Solution

The fourth proportional to 295,061.76, 442,591.85 and 126,472.77 is: 189,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,061.76 : 442,591.85 = 126,472.77 : x
  2. Step 2: Convert to fraction form
    295,061.76/442,591.85 = 126,472.77/x
  3. Step 3: Cross multiply
    295,061.76x = 442,591.85 × 126,472.77
  4. Step 4: Simplify right side
    295,061.76x = 55,975,816,616.56
  5. Step 5: Solve for x
    x = 55,975,816,616.56/295,061.76
  6. Step 6: Final answer
    x = 189,708.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.