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Finding the Fourth Proportional to 100.93, 151.38 and 35.91

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Solution

The fourth proportional to 100.93, 151.38 and 35.91 is: 53.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.93 : 151.38 = 35.91 : x
  2. Step 2: Convert to fraction form
    100.93/151.38 = 35.91/x
  3. Step 3: Cross multiply
    100.93x = 151.38 × 35.91
  4. Step 4: Simplify right side
    100.93x = 5,436.06
  5. Step 5: Solve for x
    x = 5,436.06/100.93
  6. Step 6: Final answer
    x = 53.86

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