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Finding the Fourth Proportional to 175.65, 262.94 and 94.38

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Solution

The fourth proportional to 175.65, 262.94 and 94.38 is: 141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.65 : 262.94 = 94.38 : x
  2. Step 2: Convert to fraction form
    175.65/262.94 = 94.38/x
  3. Step 3: Cross multiply
    175.65x = 262.94 × 94.38
  4. Step 4: Simplify right side
    175.65x = 24,815.81
  5. Step 5: Solve for x
    x = 24,815.81/175.65
  6. Step 6: Final answer
    x = 141.28

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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.