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Finding the Fourth Proportional to 167,637.76, 231,389.12 and 99,702.56

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Solution

The fourth proportional to 167,637.76, 231,389.12 and 99,702.56 is: 137,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,637.76 : 231,389.12 = 99,702.56 : x
  2. Step 2: Convert to fraction form
    167,637.76/231,389.12 = 99,702.56/x
  3. Step 3: Cross multiply
    167,637.76x = 231,389.12 × 99,702.56
  4. Step 4: Simplify right side
    167,637.76x = 23,070,087,620.15
  5. Step 5: Solve for x
    x = 23,070,087,620.15/167,637.76
  6. Step 6: Final answer
    x = 137,618.68

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