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Finding the Fourth Proportional to 227,144.96, 313,455.84 and 125,179.88

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Solution

The fourth proportional to 227,144.96, 313,455.84 and 125,179.88 is: 172,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,144.96 : 313,455.84 = 125,179.88 : x
  2. Step 2: Convert to fraction form
    227,144.96/313,455.84 = 125,179.88/x
  3. Step 3: Cross multiply
    227,144.96x = 313,455.84 × 125,179.88
  4. Step 4: Simplify right side
    227,144.96x = 39,238,364,436.50
  5. Step 5: Solve for x
    x = 39,238,364,436.50/227,144.96
  6. Step 6: Final answer
    x = 172,745.92

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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.