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Finding the Fourth Proportional to 225,532.68, 338,432.19 and 83,477.71

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Solution

The fourth proportional to 225,532.68, 338,432.19 and 83,477.71 is: 125,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,532.68 : 338,432.19 = 83,477.71 : x
  2. Step 2: Convert to fraction form
    225,532.68/338,432.19 = 83,477.71/x
  3. Step 3: Cross multiply
    225,532.68x = 338,432.19 × 83,477.71
  4. Step 4: Simplify right side
    225,532.68x = 28,251,544,211.48
  5. Step 5: Solve for x
    x = 28,251,544,211.48/225,532.68
  6. Step 6: Final answer
    x = 125,265.86

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1.5x scale

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.