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Finding the Fourth Proportional to 235,323.68, 324,753.84 and 144,732.87

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Solution

The fourth proportional to 235,323.68, 324,753.84 and 144,732.87 is: 199,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,323.68 : 324,753.84 = 144,732.87 : x
  2. Step 2: Convert to fraction form
    235,323.68/324,753.84 = 144,732.87/x
  3. Step 3: Cross multiply
    235,323.68x = 324,753.84 × 144,732.87
  4. Step 4: Simplify right side
    235,323.68x = 47,002,555,306.72
  5. Step 5: Solve for x
    x = 47,002,555,306.72/235,323.68
  6. Step 6: Final answer
    x = 199,735.77

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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.