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Finding the Fourth Proportional to 88,111.72, 121,590.91 and 47,824.62

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Solution

The fourth proportional to 88,111.72, 121,590.91 and 47,824.62 is: 65,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.72 : 121,590.91 = 47,824.62 : x
  2. Step 2: Convert to fraction form
    88,111.72/121,590.91 = 47,824.62/x
  3. Step 3: Cross multiply
    88,111.72x = 121,590.91 × 47,824.62
  4. Step 4: Simplify right side
    88,111.72x = 5,815,039,066.20
  5. Step 5: Solve for x
    x = 5,815,039,066.20/88,111.72
  6. Step 6: Final answer
    x = 65,996.20

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