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Finding the Fourth Proportional to 123,039.72, 169,797.96 and 69,326.64

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Solution

The fourth proportional to 123,039.72, 169,797.96 and 69,326.64 is: 95,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,039.72 : 169,797.96 = 69,326.64 : x
  2. Step 2: Convert to fraction form
    123,039.72/169,797.96 = 69,326.64/x
  3. Step 3: Cross multiply
    123,039.72x = 169,797.96 × 69,326.64
  4. Step 4: Simplify right side
    123,039.72x = 11,771,522,045.65
  5. Step 5: Solve for x
    x = 11,771,522,045.65/123,039.72
  6. Step 6: Final answer
    x = 95,672.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.