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Finding the Fourth Proportional to 126,063.80, 173,968.04 and 69,475.17

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Solution

The fourth proportional to 126,063.80, 173,968.04 and 69,475.17 is: 95,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.80 : 173,968.04 = 69,475.17 : x
  2. Step 2: Convert to fraction form
    126,063.80/173,968.04 = 69,475.17/x
  3. Step 3: Cross multiply
    126,063.80x = 173,968.04 × 69,475.17
  4. Step 4: Simplify right side
    126,063.80x = 12,086,458,806.19
  5. Step 5: Solve for x
    x = 12,086,458,806.19/126,063.80
  6. Step 6: Final answer
    x = 95,875.73

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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.