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Finding the Fourth Proportional to 227,221.99, 313,568.54 and 125,251.39

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Solution

The fourth proportional to 227,221.99, 313,568.54 and 125,251.39 is: 172,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,221.99 : 313,568.54 = 125,251.39 : x
  2. Step 2: Convert to fraction form
    227,221.99/313,568.54 = 125,251.39/x
  3. Step 3: Cross multiply
    227,221.99x = 313,568.54 × 125,251.39
  4. Step 4: Simplify right side
    227,221.99x = 39,274,895,495.27
  5. Step 5: Solve for x
    x = 39,274,895,495.27/227,221.99
  6. Step 6: Final answer
    x = 172,848.13

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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.