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Finding the Fourth Proportional to 150.25, 207.41 and 88.06

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Solution

The fourth proportional to 150.25, 207.41 and 88.06 is: 121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.25 : 207.41 = 88.06 : x
  2. Step 2: Convert to fraction form
    150.25/207.41 = 88.06/x
  3. Step 3: Cross multiply
    150.25x = 207.41 × 88.06
  4. Step 4: Simplify right side
    150.25x = 18,264.23
  5. Step 5: Solve for x
    x = 18,264.23/150.25
  6. Step 6: Final answer
    x = 121.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.