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Finding the Fourth Proportional to 62,169.66, 85,793.99 and 35,310.87

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Solution

The fourth proportional to 62,169.66, 85,793.99 and 35,310.87 is: 48,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.66 : 85,793.99 = 35,310.87 : x
  2. Step 2: Convert to fraction form
    62,169.66/85,793.99 = 35,310.87/x
  3. Step 3: Cross multiply
    62,169.66x = 85,793.99 × 35,310.87
  4. Step 4: Simplify right side
    62,169.66x = 3,029,460,251.12
  5. Step 5: Solve for x
    x = 3,029,460,251.12/62,169.66
  6. Step 6: Final answer
    x = 48,728.92

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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.