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Finding the Fourth Proportional to 141,909.75, 195,835.46 and 78,248.88

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Solution

The fourth proportional to 141,909.75, 195,835.46 and 78,248.88 is: 107,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,909.75 : 195,835.46 = 78,248.88 : x
  2. Step 2: Convert to fraction form
    141,909.75/195,835.46 = 78,248.88/x
  3. Step 3: Cross multiply
    141,909.75x = 195,835.46 × 78,248.88
  4. Step 4: Simplify right side
    141,909.75x = 15,323,905,018.04
  5. Step 5: Solve for x
    x = 15,323,905,018.04/141,909.75
  6. Step 6: Final answer
    x = 107,983.45

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