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Finding the Fourth Proportional to 175.40, 262.80 and 94.16

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Solution

The fourth proportional to 175.40, 262.80 and 94.16 is: 141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.40 : 262.80 = 94.16 : x
  2. Step 2: Convert to fraction form
    175.40/262.80 = 94.16/x
  3. Step 3: Cross multiply
    175.40x = 262.80 × 94.16
  4. Step 4: Simplify right side
    175.40x = 24,745.25
  5. Step 5: Solve for x
    x = 24,745.25/175.40
  6. Step 6: Final answer
    x = 141.08

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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.