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Finding the Fourth Proportional to 226,972, 313,223.52 and 126,372.16

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Solution

The fourth proportional to 226,972, 313,223.52 and 126,372.16 is: 174,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,972 : 313,223.52 = 126,372.16 : x
  2. Step 2: Convert to fraction form
    226,972/313,223.52 = 126,372.16/x
  3. Step 3: Cross multiply
    226,972x = 313,223.52 × 126,372.16
  4. Step 4: Simplify right side
    226,972x = 39,582,732,785.20
  5. Step 5: Solve for x
    x = 39,582,732,785.20/226,972
  6. Step 6: Final answer
    x = 174,394.78

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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.