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Finding the Fourth Proportional to 176,721.64, 265,073.82 and 65,905

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Solution

The fourth proportional to 176,721.64, 265,073.82 and 65,905 is: 98,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,721.64 : 265,073.82 = 65,905 : x
  2. Step 2: Convert to fraction form
    176,721.64/265,073.82 = 65,905/x
  3. Step 3: Cross multiply
    176,721.64x = 265,073.82 × 65,905
  4. Step 4: Simplify right side
    176,721.64x = 17,469,690,107.10
  5. Step 5: Solve for x
    x = 17,469,690,107.10/176,721.64
  6. Step 6: Final answer
    x = 98,854.28

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