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Finding the Fourth Proportional to 173,853.30, 260,703.15 and 80,387.70

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Solution

The fourth proportional to 173,853.30, 260,703.15 and 80,387.70 is: 120,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,853.30 : 260,703.15 = 80,387.70 : x
  2. Step 2: Convert to fraction form
    173,853.30/260,703.15 = 80,387.70/x
  3. Step 3: Cross multiply
    173,853.30x = 260,703.15 × 80,387.70
  4. Step 4: Simplify right side
    173,853.30x = 20,957,326,611.26
  5. Step 5: Solve for x
    x = 20,957,326,611.26/173,853.30
  6. Step 6: Final answer
    x = 120,546.04

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