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Finding the Fourth Proportional to 260.03, 359 and 181.48

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Solution

The fourth proportional to 260.03, 359 and 181.48 is: 250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.03 : 359 = 181.48 : x
  2. Step 2: Convert to fraction form
    260.03/359 = 181.48/x
  3. Step 3: Cross multiply
    260.03x = 359 × 181.48
  4. Step 4: Simplify right side
    260.03x = 65,151.32
  5. Step 5: Solve for x
    x = 65,151.32/260.03
  6. Step 6: Final answer
    x = 250.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.