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Finding the Fourth Proportional to 123,704.66, 170,694.28 and 69,254.00

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Solution

The fourth proportional to 123,704.66, 170,694.28 and 69,254.00 is: 95,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,704.66 : 170,694.28 = 69,254.00 : x
  2. Step 2: Convert to fraction form
    123,704.66/170,694.28 = 69,254.00/x
  3. Step 3: Cross multiply
    123,704.66x = 170,694.28 × 69,254.00
  4. Step 4: Simplify right side
    123,704.66x = 11,821,261,540.32
  5. Step 5: Solve for x
    x = 11,821,261,540.32/123,704.66
  6. Step 6: Final answer
    x = 95,560.36

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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.