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Finding the Fourth Proportional to 227,053, 313,342.86 and 126,451

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Solution

The fourth proportional to 227,053, 313,342.86 and 126,451 is: 174,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,053 : 313,342.86 = 126,451 : x
  2. Step 2: Convert to fraction form
    227,053/313,342.86 = 126,451/x
  3. Step 3: Cross multiply
    227,053x = 313,342.86 × 126,451
  4. Step 4: Simplify right side
    227,053x = 39,622,517,989.86
  5. Step 5: Solve for x
    x = 39,622,517,989.86/227,053
  6. Step 6: Final answer
    x = 174,507.79

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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.