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Finding the Fourth Proportional to 123,254.20, 184,891.96 and 34,508.80

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Solution

The fourth proportional to 123,254.20, 184,891.96 and 34,508.80 is: 51,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,254.20 : 184,891.96 = 34,508.80 : x
  2. Step 2: Convert to fraction form
    123,254.20/184,891.96 = 34,508.80/x
  3. Step 3: Cross multiply
    123,254.20x = 184,891.96 × 34,508.80
  4. Step 4: Simplify right side
    123,254.20x = 6,380,399,669.25
  5. Step 5: Solve for x
    x = 6,380,399,669.25/123,254.20
  6. Step 6: Final answer
    x = 51,766.18

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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.