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Finding the Fourth Proportional to 225,827.73, 311,642.27 and 125,225.73

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Solution

The fourth proportional to 225,827.73, 311,642.27 and 125,225.73 is: 172,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,827.73 : 311,642.27 = 125,225.73 : x
  2. Step 2: Convert to fraction form
    225,827.73/311,642.27 = 125,225.73/x
  3. Step 3: Cross multiply
    225,827.73x = 311,642.27 × 125,225.73
  4. Step 4: Simplify right side
    225,827.73x = 39,025,630,759.61
  5. Step 5: Solve for x
    x = 39,025,630,759.61/225,827.73
  6. Step 6: Final answer
    x = 172,811.51

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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.