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Finding the Fourth Proportional to 118,306.80, 177,586.56 and 65,702.16

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Solution

The fourth proportional to 118,306.80, 177,586.56 and 65,702.16 is: 98,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.80 : 177,586.56 = 65,702.16 : x
  2. Step 2: Convert to fraction form
    118,306.80/177,586.56 = 65,702.16/x
  3. Step 3: Cross multiply
    118,306.80x = 177,586.56 × 65,702.16
  4. Step 4: Simplify right side
    118,306.80x = 11,667,820,578.97
  5. Step 5: Solve for x
    x = 11,667,820,578.97/118,306.80
  6. Step 6: Final answer
    x = 98,623.41

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