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Finding the Fourth Proportional to 134.92, 202.06 and 94.38

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Solution

The fourth proportional to 134.92, 202.06 and 94.38 is: 141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.92 : 202.06 = 94.38 : x
  2. Step 2: Convert to fraction form
    134.92/202.06 = 94.38/x
  3. Step 3: Cross multiply
    134.92x = 202.06 × 94.38
  4. Step 4: Simplify right side
    134.92x = 19,070.42
  5. Step 5: Solve for x
    x = 19,070.42/134.92
  6. Step 6: Final answer
    x = 141.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.