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Finding the Fourth Proportional to 100.16, 150.17 and 35.15

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Solution

The fourth proportional to 100.16, 150.17 and 35.15 is: 52.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.16 : 150.17 = 35.15 : x
  2. Step 2: Convert to fraction form
    100.16/150.17 = 35.15/x
  3. Step 3: Cross multiply
    100.16x = 150.17 × 35.15
  4. Step 4: Simplify right side
    100.16x = 5,277.72
  5. Step 5: Solve for x
    x = 5,277.72/100.16
  6. Step 6: Final answer
    x = 52.69

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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.