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Finding the Fourth Proportional to 119,735.80, 179,625.30 and 60,422.20

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Solution

The fourth proportional to 119,735.80, 179,625.30 and 60,422.20 is: 90,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,735.80 : 179,625.30 = 60,422.20 : x
  2. Step 2: Convert to fraction form
    119,735.80/179,625.30 = 60,422.20/x
  3. Step 3: Cross multiply
    119,735.80x = 179,625.30 × 60,422.20
  4. Step 4: Simplify right side
    119,735.80x = 10,853,355,801.66
  5. Step 5: Solve for x
    x = 10,853,355,801.66/119,735.80
  6. Step 6: Final answer
    x = 90,644.20

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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.