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Finding the Fourth Proportional to 168,648.89, 252,945.61 and 60,555.87

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Solution

The fourth proportional to 168,648.89, 252,945.61 and 60,555.87 is: 90,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,648.89 : 252,945.61 = 60,555.87 : x
  2. Step 2: Convert to fraction form
    168,648.89/252,945.61 = 60,555.87/x
  3. Step 3: Cross multiply
    168,648.89x = 252,945.61 × 60,555.87
  4. Step 4: Simplify right side
    168,648.89x = 15,317,341,324.84
  5. Step 5: Solve for x
    x = 15,317,341,324.84/168,648.89
  6. Step 6: Final answer
    x = 90,823.85

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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.