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Finding the Fourth Proportional to 227,223, 313,569.92 and 125,252.38

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Solution

The fourth proportional to 227,223, 313,569.92 and 125,252.38 is: 172,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,223 : 313,569.92 = 125,252.38 : x
  2. Step 2: Convert to fraction form
    227,223/313,569.92 = 125,252.38/x
  3. Step 3: Cross multiply
    227,223x = 313,569.92 × 125,252.38
  4. Step 4: Simplify right side
    227,223x = 39,275,378,776.41
  5. Step 5: Solve for x
    x = 39,275,378,776.41/227,223
  6. Step 6: Final answer
    x = 172,849.49

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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.