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Finding the Fourth Proportional to 151,507.20, 227,260.80 and 67,234.80

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Solution

The fourth proportional to 151,507.20, 227,260.80 and 67,234.80 is: 100,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,507.20 : 227,260.80 = 67,234.80 : x
  2. Step 2: Convert to fraction form
    151,507.20/227,260.80 = 67,234.80/x
  3. Step 3: Cross multiply
    151,507.20x = 227,260.80 × 67,234.80
  4. Step 4: Simplify right side
    151,507.20x = 15,279,834,435.84
  5. Step 5: Solve for x
    x = 15,279,834,435.84/151,507.20
  6. Step 6: Final answer
    x = 100,852.20

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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.