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Finding the Fourth Proportional to 83,479.74, 125,154.90 and 41,330.76

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Solution

The fourth proportional to 83,479.74, 125,154.90 and 41,330.76 is: 61,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479.74 : 125,154.90 = 41,330.76 : x
  2. Step 2: Convert to fraction form
    83,479.74/125,154.90 = 41,330.76/x
  3. Step 3: Cross multiply
    83,479.74x = 125,154.90 × 41,330.76
  4. Step 4: Simplify right side
    83,479.74x = 5,172,747,134.72
  5. Step 5: Solve for x
    x = 5,172,747,134.72/83,479.74
  6. Step 6: Final answer
    x = 61,964.10

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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.