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Finding the Fourth Proportional to 78,577.52, 117,870.17 and 22,425.91

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Solution

The fourth proportional to 78,577.52, 117,870.17 and 22,425.91 is: 33,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,577.52 : 117,870.17 = 22,425.91 : x
  2. Step 2: Convert to fraction form
    78,577.52/117,870.17 = 22,425.91/x
  3. Step 3: Cross multiply
    78,577.52x = 117,870.17 × 22,425.91
  4. Step 4: Simplify right side
    78,577.52x = 2,643,345,824.10
  5. Step 5: Solve for x
    x = 2,643,345,824.10/78,577.52
  6. Step 6: Final answer
    x = 33,639.98

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