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Finding the Fourth Proportional to 119,475.70, 179,229.87 and 40,568.74

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Solution

The fourth proportional to 119,475.70, 179,229.87 and 40,568.74 is: 60,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,475.70 : 179,229.87 = 40,568.74 : x
  2. Step 2: Convert to fraction form
    119,475.70/179,229.87 = 40,568.74/x
  3. Step 3: Cross multiply
    119,475.70x = 179,229.87 × 40,568.74
  4. Step 4: Simplify right side
    119,475.70x = 7,271,129,996.26
  5. Step 5: Solve for x
    x = 7,271,129,996.26/119,475.70
  6. Step 6: Final answer
    x = 60,858.65

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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.