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Finding the Fourth Proportional to 227,219.99, 313,565.78 and 125,249.39

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Solution

The fourth proportional to 227,219.99, 313,565.78 and 125,249.39 is: 172,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,219.99 : 313,565.78 = 125,249.39 : x
  2. Step 2: Convert to fraction form
    227,219.99/313,565.78 = 125,249.39/x
  3. Step 3: Cross multiply
    227,219.99x = 313,565.78 × 125,249.39
  4. Step 4: Simplify right side
    227,219.99x = 39,273,921,415.17
  5. Step 5: Solve for x
    x = 39,273,921,415.17/227,219.99
  6. Step 6: Final answer
    x = 172,845.36

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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.