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Finding the Fourth Proportional to 226,960.72, 313,186.44 and 126,368.08

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Solution

The fourth proportional to 226,960.72, 313,186.44 and 126,368.08 is: 174,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,960.72 : 313,186.44 = 126,368.08 : x
  2. Step 2: Convert to fraction form
    226,960.72/313,186.44 = 126,368.08/x
  3. Step 3: Cross multiply
    226,960.72x = 313,186.44 × 126,368.08
  4. Step 4: Simplify right side
    226,960.72x = 39,576,769,104.84
  5. Step 5: Solve for x
    x = 39,576,769,104.84/226,960.72
  6. Step 6: Final answer
    x = 174,377.17

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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.