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Finding the Fourth Proportional to 126,757.80, 174,927.06 and 70,167.96

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Solution

The fourth proportional to 126,757.80, 174,927.06 and 70,167.96 is: 96,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,757.80 : 174,927.06 = 70,167.96 : x
  2. Step 2: Convert to fraction form
    126,757.80/174,927.06 = 70,167.96/x
  3. Step 3: Cross multiply
    126,757.80x = 174,927.06 × 70,167.96
  4. Step 4: Simplify right side
    126,757.80x = 12,274,274,949.00
  5. Step 5: Solve for x
    x = 12,274,274,949.00/126,757.80
  6. Step 6: Final answer
    x = 96,832.50

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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.