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Finding the Fourth Proportional to 109,474.88, 164,146.32 and 42,835.44

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Solution

The fourth proportional to 109,474.88, 164,146.32 and 42,835.44 is: 64,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,474.88 : 164,146.32 = 42,835.44 : x
  2. Step 2: Convert to fraction form
    109,474.88/164,146.32 = 42,835.44/x
  3. Step 3: Cross multiply
    109,474.88x = 164,146.32 × 42,835.44
  4. Step 4: Simplify right side
    109,474.88x = 7,031,279,841.58
  5. Step 5: Solve for x
    x = 7,031,279,841.58/109,474.88
  6. Step 6: Final answer
    x = 64,227.34

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