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Finding the Fourth Proportional to 174.48, 260.16 and 174.24

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Solution

The fourth proportional to 174.48, 260.16 and 174.24 is: 259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.48 : 260.16 = 174.24 : x
  2. Step 2: Convert to fraction form
    174.48/260.16 = 174.24/x
  3. Step 3: Cross multiply
    174.48x = 260.16 × 174.24
  4. Step 4: Simplify right side
    174.48x = 45,330.28
  5. Step 5: Solve for x
    x = 45,330.28/174.48
  6. Step 6: Final answer
    x = 259.80

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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.