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Finding the Fourth Proportional to 174.54, 260.60 and 151.14

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Solution

The fourth proportional to 174.54, 260.60 and 151.14 is: 225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.54 : 260.60 = 151.14 : x
  2. Step 2: Convert to fraction form
    174.54/260.60 = 151.14/x
  3. Step 3: Cross multiply
    174.54x = 260.60 × 151.14
  4. Step 4: Simplify right side
    174.54x = 39,387.08
  5. Step 5: Solve for x
    x = 39,387.08/174.54
  6. Step 6: Final answer
    x = 225.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.