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Finding the Fourth Proportional to 174.80, 262.02 and 123.32

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Solution

The fourth proportional to 174.80, 262.02 and 123.32 is: 184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.80 : 262.02 = 123.32 : x
  2. Step 2: Convert to fraction form
    174.80/262.02 = 123.32/x
  3. Step 3: Cross multiply
    174.80x = 262.02 × 123.32
  4. Step 4: Simplify right side
    174.80x = 32,312.31
  5. Step 5: Solve for x
    x = 32,312.31/174.80
  6. Step 6: Final answer
    x = 184.85

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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.