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Finding the Fourth Proportional to 273,000.60, 409,743.90 and 160,540.20

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Solution

The fourth proportional to 273,000.60, 409,743.90 and 160,540.20 is: 240,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,000.60 : 409,743.90 = 160,540.20 : x
  2. Step 2: Convert to fraction form
    273,000.60/409,743.90 = 160,540.20/x
  3. Step 3: Cross multiply
    273,000.60x = 409,743.90 × 160,540.20
  4. Step 4: Simplify right side
    273,000.60x = 65,780,367,654.78
  5. Step 5: Solve for x
    x = 65,780,367,654.78/273,000.60
  6. Step 6: Final answer
    x = 240,953.20

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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.