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Finding the Fourth Proportional to 227,053.13, 313,333.31 and 126,451.13

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Solution

The fourth proportional to 227,053.13, 313,333.31 and 126,451.13 is: 174,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,053.13 : 313,333.31 = 126,451.13 : x
  2. Step 2: Convert to fraction form
    227,053.13/313,333.31 = 126,451.13/x
  3. Step 3: Cross multiply
    227,053.13x = 313,333.31 × 126,451.13
  4. Step 4: Simplify right side
    227,053.13x = 39,621,349,865.60
  5. Step 5: Solve for x
    x = 39,621,349,865.60/227,053.13
  6. Step 6: Final answer
    x = 174,502.55

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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.