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Finding the Fourth Proportional to 168,254.52, 252,211.44 and 109,127.76

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Solution

The fourth proportional to 168,254.52, 252,211.44 and 109,127.76 is: 163,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,254.52 : 252,211.44 = 109,127.76 : x
  2. Step 2: Convert to fraction form
    168,254.52/252,211.44 = 109,127.76/x
  3. Step 3: Cross multiply
    168,254.52x = 252,211.44 × 109,127.76
  4. Step 4: Simplify right side
    168,254.52x = 27,523,269,493.57
  5. Step 5: Solve for x
    x = 27,523,269,493.57/168,254.52
  6. Step 6: Final answer
    x = 163,581.16

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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.