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Finding the Fourth Proportional to 100.52, 150.81 and 32.05

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Solution

The fourth proportional to 100.52, 150.81 and 32.05 is: 48.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.52 : 150.81 = 32.05 : x
  2. Step 2: Convert to fraction form
    100.52/150.81 = 32.05/x
  3. Step 3: Cross multiply
    100.52x = 150.81 × 32.05
  4. Step 4: Simplify right side
    100.52x = 4,833.62
  5. Step 5: Solve for x
    x = 4,833.62/100.52
  6. Step 6: Final answer
    x = 48.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.