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Finding the Fourth Proportional to 227,147.96, 313,459.98 and 125,182.88

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Solution

The fourth proportional to 227,147.96, 313,459.98 and 125,182.88 is: 172,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,147.96 : 313,459.98 = 125,182.88 : x
  2. Step 2: Convert to fraction form
    227,147.96/313,459.98 = 125,182.88/x
  3. Step 3: Cross multiply
    227,147.96x = 313,459.98 × 125,182.88
  4. Step 4: Simplify right side
    227,147.96x = 39,239,823,061.14
  5. Step 5: Solve for x
    x = 39,239,823,061.14/227,147.96
  6. Step 6: Final answer
    x = 172,750.06

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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.