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Finding the Fourth Proportional to 131,505.20, 197,184.90 and 52,530.20

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Solution

The fourth proportional to 131,505.20, 197,184.90 and 52,530.20 is: 78,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,505.20 : 197,184.90 = 52,530.20 : x
  2. Step 2: Convert to fraction form
    131,505.20/197,184.90 = 52,530.20/x
  3. Step 3: Cross multiply
    131,505.20x = 197,184.90 × 52,530.20
  4. Step 4: Simplify right side
    131,505.20x = 10,358,162,233.98
  5. Step 5: Solve for x
    x = 10,358,162,233.98/131,505.20
  6. Step 6: Final answer
    x = 78,766.18

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