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Finding the Fourth Proportional to 226,863.75, 313,071.99 and 126,285.51

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Solution

The fourth proportional to 226,863.75, 313,071.99 and 126,285.51 is: 174,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,863.75 : 313,071.99 = 126,285.51 : x
  2. Step 2: Convert to fraction form
    226,863.75/313,071.99 = 126,285.51/x
  3. Step 3: Cross multiply
    226,863.75x = 313,071.99 × 126,285.51
  4. Step 4: Simplify right side
    226,863.75x = 39,536,455,923.86
  5. Step 5: Solve for x
    x = 39,536,455,923.86/226,863.75
  6. Step 6: Final answer
    x = 174,274.01

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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.