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Finding the Fourth Proportional to 175.42, 262.77 and 123.94

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Solution

The fourth proportional to 175.42, 262.77 and 123.94 is: 185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.42 : 262.77 = 123.94 : x
  2. Step 2: Convert to fraction form
    175.42/262.77 = 123.94/x
  3. Step 3: Cross multiply
    175.42x = 262.77 × 123.94
  4. Step 4: Simplify right side
    175.42x = 32,567.71
  5. Step 5: Solve for x
    x = 32,567.71/175.42
  6. Step 6: Final answer
    x = 185.66

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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.