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Finding the Fourth Proportional to 101.94, 153.04 and 69.32

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Solution

The fourth proportional to 101.94, 153.04 and 69.32 is: 104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.94 : 153.04 = 69.32 : x
  2. Step 2: Convert to fraction form
    101.94/153.04 = 69.32/x
  3. Step 3: Cross multiply
    101.94x = 153.04 × 69.32
  4. Step 4: Simplify right side
    101.94x = 10,608.73
  5. Step 5: Solve for x
    x = 10,608.73/101.94
  6. Step 6: Final answer
    x = 104.07

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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.