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Finding the Fourth Proportional to 119,387.89, 179,020.20 and 35,137.11

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Solution

The fourth proportional to 119,387.89, 179,020.20 and 35,137.11 is: 52,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,387.89 : 179,020.20 = 35,137.11 : x
  2. Step 2: Convert to fraction form
    119,387.89/179,020.20 = 35,137.11/x
  3. Step 3: Cross multiply
    119,387.89x = 179,020.20 × 35,137.11
  4. Step 4: Simplify right side
    119,387.89x = 6,290,252,156.90
  5. Step 5: Solve for x
    x = 6,290,252,156.90/119,387.89
  6. Step 6: Final answer
    x = 52,687.52

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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.