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Finding the Fourth Proportional to 78,894.70, 118,342.65 and 26,304.10

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Solution

The fourth proportional to 78,894.70, 118,342.65 and 26,304.10 is: 39,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894.70 : 118,342.65 = 26,304.10 : x
  2. Step 2: Convert to fraction form
    78,894.70/118,342.65 = 26,304.10/x
  3. Step 3: Cross multiply
    78,894.70x = 118,342.65 × 26,304.10
  4. Step 4: Simplify right side
    78,894.70x = 3,112,896,899.87
  5. Step 5: Solve for x
    x = 3,112,896,899.87/78,894.70
  6. Step 6: Final answer
    x = 39,456.35

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