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Finding the Fourth Proportional to 150.16, 207.32 and 94.96

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Solution

The fourth proportional to 150.16, 207.32 and 94.96 is: 131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.16 : 207.32 = 94.96 : x
  2. Step 2: Convert to fraction form
    150.16/207.32 = 94.96/x
  3. Step 3: Cross multiply
    150.16x = 207.32 × 94.96
  4. Step 4: Simplify right side
    150.16x = 19,687.11
  5. Step 5: Solve for x
    x = 19,687.11/150.16
  6. Step 6: Final answer
    x = 131.11

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Why These Related Problems?

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