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Finding the Fourth Proportional to 140,214.88, 193,518.76 and 89,174.40

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Solution

The fourth proportional to 140,214.88, 193,518.76 and 89,174.40 is: 123,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.88 : 193,518.76 = 89,174.40 : x
  2. Step 2: Convert to fraction form
    140,214.88/193,518.76 = 89,174.40/x
  3. Step 3: Cross multiply
    140,214.88x = 193,518.76 × 89,174.40
  4. Step 4: Simplify right side
    140,214.88x = 17,256,919,311.74
  5. Step 5: Solve for x
    x = 17,256,919,311.74/140,214.88
  6. Step 6: Final answer
    x = 123,074.81

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