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Finding the Fourth Proportional to 168,659.20, 252,826.80 and 97,508.80

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Solution

The fourth proportional to 168,659.20, 252,826.80 and 97,508.80 is: 146,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,659.20 : 252,826.80 = 97,508.80 : x
  2. Step 2: Convert to fraction form
    168,659.20/252,826.80 = 97,508.80/x
  3. Step 3: Cross multiply
    168,659.20x = 252,826.80 × 97,508.80
  4. Step 4: Simplify right side
    168,659.20x = 24,652,837,875.84
  5. Step 5: Solve for x
    x = 24,652,837,875.84/168,659.20
  6. Step 6: Final answer
    x = 146,169.54

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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.