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Finding the Fourth Proportional to 88,215.74, 121,691.10 and 55,893.32

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Solution

The fourth proportional to 88,215.74, 121,691.10 and 55,893.32 is: 77,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,215.74 : 121,691.10 = 55,893.32 : x
  2. Step 2: Convert to fraction form
    88,215.74/121,691.10 = 55,893.32/x
  3. Step 3: Cross multiply
    88,215.74x = 121,691.10 × 55,893.32
  4. Step 4: Simplify right side
    88,215.74x = 6,801,719,593.45
  5. Step 5: Solve for x
    x = 6,801,719,593.45/88,215.74
  6. Step 6: Final answer
    x = 77,103.24

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