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Finding the Fourth Proportional to 187,443.36, 258,962.40 and 157,175.28

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Solution

The fourth proportional to 187,443.36, 258,962.40 and 157,175.28 is: 217,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,443.36 : 258,962.40 = 157,175.28 : x
  2. Step 2: Convert to fraction form
    187,443.36/258,962.40 = 157,175.28/x
  3. Step 3: Cross multiply
    187,443.36x = 258,962.40 × 157,175.28
  4. Step 4: Simplify right side
    187,443.36x = 40,702,487,729.47
  5. Step 5: Solve for x
    x = 40,702,487,729.47/187,443.36
  6. Step 6: Final answer
    x = 217,145.53

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