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Finding the Fourth Proportional to 159.16, 237.38 and 134.94

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Solution

The fourth proportional to 159.16, 237.38 and 134.94 is: 201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.16 : 237.38 = 134.94 : x
  2. Step 2: Convert to fraction form
    159.16/237.38 = 134.94/x
  3. Step 3: Cross multiply
    159.16x = 237.38 × 134.94
  4. Step 4: Simplify right side
    159.16x = 32,031.38
  5. Step 5: Solve for x
    x = 32,031.38/159.16
  6. Step 6: Final answer
    x = 201.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.