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Finding the Fourth Proportional to 185,337.20, 278,005.80 and 110,541.80

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Solution

The fourth proportional to 185,337.20, 278,005.80 and 110,541.80 is: 165,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,337.20 : 278,005.80 = 110,541.80 : x
  2. Step 2: Convert to fraction form
    185,337.20/278,005.80 = 110,541.80/x
  3. Step 3: Cross multiply
    185,337.20x = 278,005.80 × 110,541.80
  4. Step 4: Simplify right side
    185,337.20x = 30,731,261,542.44
  5. Step 5: Solve for x
    x = 30,731,261,542.44/185,337.20
  6. Step 6: Final answer
    x = 165,812.70

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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.