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Finding the Fourth Proportional to 123,016.32, 169,727.40 and 69,282.54

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Solution

The fourth proportional to 123,016.32, 169,727.40 and 69,282.54 is: 95,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,016.32 : 169,727.40 = 69,282.54 : x
  2. Step 2: Convert to fraction form
    123,016.32/169,727.40 = 69,282.54/x
  3. Step 3: Cross multiply
    123,016.32x = 169,727.40 × 69,282.54
  4. Step 4: Simplify right side
    123,016.32x = 11,759,145,379.60
  5. Step 5: Solve for x
    x = 11,759,145,379.60/123,016.32
  6. Step 6: Final answer
    x = 95,590.12

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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.