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Finding the Fourth Proportional to 100.55, 150.74 and 32.03

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Solution

The fourth proportional to 100.55, 150.74 and 32.03 is: 48.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.55 : 150.74 = 32.03 : x
  2. Step 2: Convert to fraction form
    100.55/150.74 = 32.03/x
  3. Step 3: Cross multiply
    100.55x = 150.74 × 32.03
  4. Step 4: Simplify right side
    100.55x = 4,828.15
  5. Step 5: Solve for x
    x = 4,828.15/100.55
  6. Step 6: Final answer
    x = 48.02

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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.