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Finding the Fourth Proportional to 126,770.88, 174,943.22 and 68,627.46

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Solution

The fourth proportional to 126,770.88, 174,943.22 and 68,627.46 is: 94,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,770.88 : 174,943.22 = 68,627.46 : x
  2. Step 2: Convert to fraction form
    126,770.88/174,943.22 = 68,627.46/x
  3. Step 3: Cross multiply
    126,770.88x = 174,943.22 × 68,627.46
  4. Step 4: Simplify right side
    126,770.88x = 12,005,908,832.82
  5. Step 5: Solve for x
    x = 12,005,908,832.82/126,770.88
  6. Step 6: Final answer
    x = 94,705.57

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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.