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Finding the Fourth Proportional to 119,682.78, 179,371.50 and 63,549.78

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Solution

The fourth proportional to 119,682.78, 179,371.50 and 63,549.78 is: 95,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,682.78 : 179,371.50 = 63,549.78 : x
  2. Step 2: Convert to fraction form
    119,682.78/179,371.50 = 63,549.78/x
  3. Step 3: Cross multiply
    119,682.78x = 179,371.50 × 63,549.78
  4. Step 4: Simplify right side
    119,682.78x = 11,399,019,363.27
  5. Step 5: Solve for x
    x = 11,399,019,363.27/119,682.78
  6. Step 6: Final answer
    x = 95,243.60

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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.