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Finding the Fourth Proportional to 227,059.88, 313,352.35 and 126,457.88

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Solution

The fourth proportional to 227,059.88, 313,352.35 and 126,457.88 is: 174,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,059.88 : 313,352.35 = 126,457.88 : x
  2. Step 2: Convert to fraction form
    227,059.88/313,352.35 = 126,457.88/x
  3. Step 3: Cross multiply
    227,059.88x = 313,352.35 × 126,457.88
  4. Step 4: Simplify right side
    227,059.88x = 39,625,871,991.11
  5. Step 5: Solve for x
    x = 39,625,871,991.11/227,059.88
  6. Step 6: Final answer
    x = 174,517.28

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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.