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Finding the Fourth Proportional to 100.76, 151.15 and 32.29

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Solution

The fourth proportional to 100.76, 151.15 and 32.29 is: 48.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.76 : 151.15 = 32.29 : x
  2. Step 2: Convert to fraction form
    100.76/151.15 = 32.29/x
  3. Step 3: Cross multiply
    100.76x = 151.15 × 32.29
  4. Step 4: Simplify right side
    100.76x = 4,880.17
  5. Step 5: Solve for x
    x = 4,880.17/100.76
  6. Step 6: Final answer
    x = 48.43

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