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Finding the Fourth Proportional to 99,377.80, 149,066.70 and 82,756.60

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Solution

The fourth proportional to 99,377.80, 149,066.70 and 82,756.60 is: 124,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,377.80 : 149,066.70 = 82,756.60 : x
  2. Step 2: Convert to fraction form
    99,377.80/149,066.70 = 82,756.60/x
  3. Step 3: Cross multiply
    99,377.80x = 149,066.70 × 82,756.60
  4. Step 4: Simplify right side
    99,377.80x = 12,336,253,265.22
  5. Step 5: Solve for x
    x = 12,336,253,265.22/99,377.80
  6. Step 6: Final answer
    x = 124,134.90

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