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Finding the Fourth Proportional to 131,454.70, 197,109.15 and 52,479.70

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Solution

The fourth proportional to 131,454.70, 197,109.15 and 52,479.70 is: 78,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,454.70 : 197,109.15 = 52,479.70 : x
  2. Step 2: Convert to fraction form
    131,454.70/197,109.15 = 52,479.70/x
  3. Step 3: Cross multiply
    131,454.70x = 197,109.15 × 52,479.70
  4. Step 4: Simplify right side
    131,454.70x = 10,344,229,059.26
  5. Step 5: Solve for x
    x = 10,344,229,059.26/131,454.70
  6. Step 6: Final answer
    x = 78,690.45

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