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Finding the Fourth Proportional to 227,439.70, 313,862.90 and 125,474.92

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Solution

The fourth proportional to 227,439.70, 313,862.90 and 125,474.92 is: 173,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,439.70 : 313,862.90 = 125,474.92 : x
  2. Step 2: Convert to fraction form
    227,439.70/313,862.90 = 125,474.92/x
  3. Step 3: Cross multiply
    227,439.70x = 313,862.90 × 125,474.92
  4. Step 4: Simplify right side
    227,439.70x = 39,381,922,268.47
  5. Step 5: Solve for x
    x = 39,381,922,268.47/227,439.70
  6. Step 6: Final answer
    x = 173,153.25

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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.