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Finding the Fourth Proportional to 83,846.70, 125,915.85 and 44,480.70

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Solution

The fourth proportional to 83,846.70, 125,915.85 and 44,480.70 is: 66,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,846.70 : 125,915.85 = 44,480.70 : x
  2. Step 2: Convert to fraction form
    83,846.70/125,915.85 = 44,480.70/x
  3. Step 3: Cross multiply
    83,846.70x = 125,915.85 × 44,480.70
  4. Step 4: Simplify right side
    83,846.70x = 5,600,825,149.10
  5. Step 5: Solve for x
    x = 5,600,825,149.10/83,846.70
  6. Step 6: Final answer
    x = 66,798.40

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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.