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Finding the Fourth Proportional to 89,879.66, 134,801.04 and 42,474.60

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Solution

The fourth proportional to 89,879.66, 134,801.04 and 42,474.60 is: 63,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,879.66 : 134,801.04 = 42,474.60 : x
  2. Step 2: Convert to fraction form
    89,879.66/134,801.04 = 42,474.60/x
  3. Step 3: Cross multiply
    89,879.66x = 134,801.04 × 42,474.60
  4. Step 4: Simplify right side
    89,879.66x = 5,725,620,253.58
  5. Step 5: Solve for x
    x = 5,725,620,253.58/89,879.66
  6. Step 6: Final answer
    x = 63,703.18

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