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Finding the Fourth Proportional to 151,687.20, 227,530.80 and 149,718.90

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Solution

The fourth proportional to 151,687.20, 227,530.80 and 149,718.90 is: 224,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687.20 : 227,530.80 = 149,718.90 : x
  2. Step 2: Convert to fraction form
    151,687.20/227,530.80 = 149,718.90/x
  3. Step 3: Cross multiply
    151,687.20x = 227,530.80 × 149,718.90
  4. Step 4: Simplify right side
    151,687.20x = 34,065,661,092.12
  5. Step 5: Solve for x
    x = 34,065,661,092.12/151,687.20
  6. Step 6: Final answer
    x = 224,578.35

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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.