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Finding the Fourth Proportional to 175.55, 263.48 and 94.45

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Solution

The fourth proportional to 175.55, 263.48 and 94.45 is: 141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.55 : 263.48 = 94.45 : x
  2. Step 2: Convert to fraction form
    175.55/263.48 = 94.45/x
  3. Step 3: Cross multiply
    175.55x = 263.48 × 94.45
  4. Step 4: Simplify right side
    175.55x = 24,885.69
  5. Step 5: Solve for x
    x = 24,885.69/175.55
  6. Step 6: Final answer
    x = 141.76

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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.