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Finding the Fourth Proportional to 99,492.04, 148,505.45 and 91,181.44

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Solution

The fourth proportional to 99,492.04, 148,505.45 and 91,181.44 is: 136,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,492.04 : 148,505.45 = 91,181.44 : x
  2. Step 2: Convert to fraction form
    99,492.04/148,505.45 = 91,181.44/x
  3. Step 3: Cross multiply
    99,492.04x = 148,505.45 × 91,181.44
  4. Step 4: Simplify right side
    99,492.04x = 13,540,940,778.85
  5. Step 5: Solve for x
    x = 13,540,940,778.85/99,492.04
  6. Step 6: Final answer
    x = 136,100.75

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