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Finding the Fourth Proportional to 102,502.80, 153,754.20 and 95,893.20

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Solution

The fourth proportional to 102,502.80, 153,754.20 and 95,893.20 is: 143,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,502.80 : 153,754.20 = 95,893.20 : x
  2. Step 2: Convert to fraction form
    102,502.80/153,754.20 = 95,893.20/x
  3. Step 3: Cross multiply
    102,502.80x = 153,754.20 × 95,893.20
  4. Step 4: Simplify right side
    102,502.80x = 14,743,982,251.44
  5. Step 5: Solve for x
    x = 14,743,982,251.44/102,502.80
  6. Step 6: Final answer
    x = 143,839.80

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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.