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Finding the Fourth Proportional to 95,769.80, 143,654.70 and 60,864.20

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Solution

The fourth proportional to 95,769.80, 143,654.70 and 60,864.20 is: 91,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,769.80 : 143,654.70 = 60,864.20 : x
  2. Step 2: Convert to fraction form
    95,769.80/143,654.70 = 60,864.20/x
  3. Step 3: Cross multiply
    95,769.80x = 143,654.70 × 60,864.20
  4. Step 4: Simplify right side
    95,769.80x = 8,743,428,391.74
  5. Step 5: Solve for x
    x = 8,743,428,391.74/95,769.80
  6. Step 6: Final answer
    x = 91,296.30

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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.