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Finding the Fourth Proportional to 168,143.88, 252,290.11 and 88,162.73

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Solution

The fourth proportional to 168,143.88, 252,290.11 and 88,162.73 is: 132,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,143.88 : 252,290.11 = 88,162.73 : x
  2. Step 2: Convert to fraction form
    168,143.88/252,290.11 = 88,162.73/x
  3. Step 3: Cross multiply
    168,143.88x = 252,290.11 × 88,162.73
  4. Step 4: Simplify right side
    168,143.88x = 22,242,584,849.60
  5. Step 5: Solve for x
    x = 22,242,584,849.60/168,143.88
  6. Step 6: Final answer
    x = 132,283.05

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1.5x scale

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.