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Finding the Fourth Proportional to 168,473.55, 252,930.98 and 112,672.25

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Solution

The fourth proportional to 168,473.55, 252,930.98 and 112,672.25 is: 169,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,473.55 : 252,930.98 = 112,672.25 : x
  2. Step 2: Convert to fraction form
    168,473.55/252,930.98 = 112,672.25/x
  3. Step 3: Cross multiply
    168,473.55x = 252,930.98 × 112,672.25
  4. Step 4: Simplify right side
    168,473.55x = 28,498,302,611.31
  5. Step 5: Solve for x
    x = 28,498,302,611.31/168,473.55
  6. Step 6: Final answer
    x = 169,155.95

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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.