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Finding the Fourth Proportional to 175,614.64, 263,481.06 and 55,691.20

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Solution

The fourth proportional to 175,614.64, 263,481.06 and 55,691.20 is: 83,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,614.64 : 263,481.06 = 55,691.20 : x
  2. Step 2: Convert to fraction form
    175,614.64/263,481.06 = 55,691.20/x
  3. Step 3: Cross multiply
    175,614.64x = 263,481.06 × 55,691.20
  4. Step 4: Simplify right side
    175,614.64x = 14,673,576,408.67
  5. Step 5: Solve for x
    x = 14,673,576,408.67/175,614.64
  6. Step 6: Final answer
    x = 83,555.54

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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.