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Finding the Fourth Proportional to 68,769.43, 94,902.06 and 43,292.65

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Solution

The fourth proportional to 68,769.43, 94,902.06 and 43,292.65 is: 59,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,769.43 : 94,902.06 = 43,292.65 : x
  2. Step 2: Convert to fraction form
    68,769.43/94,902.06 = 43,292.65/x
  3. Step 3: Cross multiply
    68,769.43x = 94,902.06 × 43,292.65
  4. Step 4: Simplify right side
    68,769.43x = 4,108,561,672.52
  5. Step 5: Solve for x
    x = 4,108,561,672.52/68,769.43
  6. Step 6: Final answer
    x = 59,744.01

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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.