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Finding the Fourth Proportional to 173,503.20, 260,643.60 and 166,418.40

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Solution

The fourth proportional to 173,503.20, 260,643.60 and 166,418.40 is: 250,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,503.20 : 260,643.60 = 166,418.40 : x
  2. Step 2: Convert to fraction form
    173,503.20/260,643.60 = 166,418.40/x
  3. Step 3: Cross multiply
    173,503.20x = 260,643.60 × 166,418.40
  4. Step 4: Simplify right side
    173,503.20x = 43,375,890,882.24
  5. Step 5: Solve for x
    x = 43,375,890,882.24/173,503.20
  6. Step 6: Final answer
    x = 250,000.52

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