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Finding the Fourth Proportional to 168,023.10, 252,034.65 and 112,035.90

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Solution

The fourth proportional to 168,023.10, 252,034.65 and 112,035.90 is: 168,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.10 : 252,034.65 = 112,035.90 : x
  2. Step 2: Convert to fraction form
    168,023.10/252,034.65 = 112,035.90/x
  3. Step 3: Cross multiply
    168,023.10x = 252,034.65 × 112,035.90
  4. Step 4: Simplify right side
    168,023.10x = 28,236,928,843.94
  5. Step 5: Solve for x
    x = 28,236,928,843.94/168,023.10
  6. Step 6: Final answer
    x = 168,053.85

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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.