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Finding the Fourth Proportional to 153,418.61, 230,183.44 and 78,574.01

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Solution

The fourth proportional to 153,418.61, 230,183.44 and 78,574.01 is: 117,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,418.61 : 230,183.44 = 78,574.01 : x
  2. Step 2: Convert to fraction form
    153,418.61/230,183.44 = 78,574.01/x
  3. Step 3: Cross multiply
    153,418.61x = 230,183.44 × 78,574.01
  4. Step 4: Simplify right side
    153,418.61x = 18,086,434,569.04
  5. Step 5: Solve for x
    x = 18,086,434,569.04/153,418.61
  6. Step 6: Final answer
    x = 117,889.44

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