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Finding the Fourth Proportional to 226,912.14, 313,127.82 and 124,935.48

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Solution

The fourth proportional to 226,912.14, 313,127.82 and 124,935.48 is: 172,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,912.14 : 313,127.82 = 124,935.48 : x
  2. Step 2: Convert to fraction form
    226,912.14/313,127.82 = 124,935.48/x
  3. Step 3: Cross multiply
    226,912.14x = 313,127.82 × 124,935.48
  4. Step 4: Simplify right side
    226,912.14x = 39,120,774,493.05
  5. Step 5: Solve for x
    x = 39,120,774,493.05/226,912.14
  6. Step 6: Final answer
    x = 172,404.94

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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.