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Finding the Fourth Proportional to 68,884.80, 95,020.92 and 43,381.14

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Solution

The fourth proportional to 68,884.80, 95,020.92 and 43,381.14 is: 59,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,884.80 : 95,020.92 = 43,381.14 : x
  2. Step 2: Convert to fraction form
    68,884.80/95,020.92 = 43,381.14/x
  3. Step 3: Cross multiply
    68,884.80x = 95,020.92 × 43,381.14
  4. Step 4: Simplify right side
    68,884.80x = 4,122,115,833.45
  5. Step 5: Solve for x
    x = 4,122,115,833.45/68,884.80
  6. Step 6: Final answer
    x = 59,840.72

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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.