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Finding the Fourth Proportional to 96.03, 143.76 and 66.93

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Solution

The fourth proportional to 96.03, 143.76 and 66.93 is: 100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.03 : 143.76 = 66.93 : x
  2. Step 2: Convert to fraction form
    96.03/143.76 = 66.93/x
  3. Step 3: Cross multiply
    96.03x = 143.76 × 66.93
  4. Step 4: Simplify right side
    96.03x = 9,621.86
  5. Step 5: Solve for x
    x = 9,621.86/96.03
  6. Step 6: Final answer
    x = 100.20

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