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Finding the Fourth Proportional to 269,702.33, 404,503.34 and 89,790.57

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Solution

The fourth proportional to 269,702.33, 404,503.34 and 89,790.57 is: 134,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,702.33 : 404,503.34 = 89,790.57 : x
  2. Step 2: Convert to fraction form
    269,702.33/404,503.34 = 89,790.57/x
  3. Step 3: Cross multiply
    269,702.33x = 404,503.34 × 89,790.57
  4. Step 4: Simplify right side
    269,702.33x = 36,320,585,016.55
  5. Step 5: Solve for x
    x = 36,320,585,016.55/269,702.33
  6. Step 6: Final answer
    x = 134,669.16

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