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Finding the Fourth Proportional to 203,401.71, 305,062.88 and 149,593.31

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Solution

The fourth proportional to 203,401.71, 305,062.88 and 149,593.31 is: 224,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,401.71 : 305,062.88 = 149,593.31 : x
  2. Step 2: Convert to fraction form
    203,401.71/305,062.88 = 149,593.31/x
  3. Step 3: Cross multiply
    203,401.71x = 305,062.88 × 149,593.31
  4. Step 4: Simplify right side
    203,401.71x = 45,635,365,252.24
  5. Step 5: Solve for x
    x = 45,635,365,252.24/203,401.71
  6. Step 6: Final answer
    x = 224,360.78

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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.