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Finding the Fourth Proportional to 250,025.96, 374,872.20 and 137,758.88

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Solution

The fourth proportional to 250,025.96, 374,872.20 and 137,758.88 is: 206,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,025.96 : 374,872.20 = 137,758.88 : x
  2. Step 2: Convert to fraction form
    250,025.96/374,872.20 = 137,758.88/x
  3. Step 3: Cross multiply
    250,025.96x = 374,872.20 × 137,758.88
  4. Step 4: Simplify right side
    250,025.96x = 51,641,974,415.14
  5. Step 5: Solve for x
    x = 51,641,974,415.14/250,025.96
  6. Step 6: Final answer
    x = 206,546.45

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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.