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Finding the Fourth Proportional to 142,049.23, 196,046.59 and 99,000.87

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Solution

The fourth proportional to 142,049.23, 196,046.59 and 99,000.87 is: 136,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,049.23 : 196,046.59 = 99,000.87 : x
  2. Step 2: Convert to fraction form
    142,049.23/196,046.59 = 99,000.87/x
  3. Step 3: Cross multiply
    142,049.23x = 196,046.59 × 99,000.87
  4. Step 4: Simplify right side
    142,049.23x = 19,408,782,970.53
  5. Step 5: Solve for x
    x = 19,408,782,970.53/142,049.23
  6. Step 6: Final answer
    x = 136,634.20

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