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Finding the Fourth Proportional to 123,252.98, 170,074.46 and 69,534.86

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Solution

The fourth proportional to 123,252.98, 170,074.46 and 69,534.86 is: 95,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,252.98 : 170,074.46 = 69,534.86 : x
  2. Step 2: Convert to fraction form
    123,252.98/170,074.46 = 69,534.86/x
  3. Step 3: Cross multiply
    123,252.98x = 170,074.46 × 69,534.86
  4. Step 4: Simplify right side
    123,252.98x = 11,826,103,765.68
  5. Step 5: Solve for x
    x = 11,826,103,765.68/123,252.98
  6. Step 6: Final answer
    x = 95,949.84

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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.