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Finding the Fourth Proportional to 148,236.88, 204,567 and 80,254.44

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Solution

The fourth proportional to 148,236.88, 204,567 and 80,254.44 is: 110,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,236.88 : 204,567 = 80,254.44 : x
  2. Step 2: Convert to fraction form
    148,236.88/204,567 = 80,254.44/x
  3. Step 3: Cross multiply
    148,236.88x = 204,567 × 80,254.44
  4. Step 4: Simplify right side
    148,236.88x = 16,417,410,027.48
  5. Step 5: Solve for x
    x = 16,417,410,027.48/148,236.88
  6. Step 6: Final answer
    x = 110,751.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.