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Finding the Fourth Proportional to 83,469.92, 125,181.59 and 35,422.16

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Solution

The fourth proportional to 83,469.92, 125,181.59 and 35,422.16 is: 53,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,469.92 : 125,181.59 = 35,422.16 : x
  2. Step 2: Convert to fraction form
    83,469.92/125,181.59 = 35,422.16/x
  3. Step 3: Cross multiply
    83,469.92x = 125,181.59 × 35,422.16
  4. Step 4: Simplify right side
    83,469.92x = 4,434,201,507.02
  5. Step 5: Solve for x
    x = 4,434,201,507.02/83,469.92
  6. Step 6: Final answer
    x = 53,123.35

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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.