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Finding the Fourth Proportional to 85,375.94, 117,834.68 and 49,098.62

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Solution

The fourth proportional to 85,375.94, 117,834.68 and 49,098.62 is: 67,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,375.94 : 117,834.68 = 49,098.62 : x
  2. Step 2: Convert to fraction form
    85,375.94/117,834.68 = 49,098.62/x
  3. Step 3: Cross multiply
    85,375.94x = 117,834.68 × 49,098.62
  4. Step 4: Simplify right side
    85,375.94x = 5,785,520,593.47
  5. Step 5: Solve for x
    x = 5,785,520,593.47/85,375.94
  6. Step 6: Final answer
    x = 67,765.24

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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.