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Finding the Fourth Proportional to 260.95, 360.10 and 150.42

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Solution

The fourth proportional to 260.95, 360.10 and 150.42 is: 207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.95 : 360.10 = 150.42 : x
  2. Step 2: Convert to fraction form
    260.95/360.10 = 150.42/x
  3. Step 3: Cross multiply
    260.95x = 360.10 × 150.42
  4. Step 4: Simplify right side
    260.95x = 54,166.24
  5. Step 5: Solve for x
    x = 54,166.24/260.95
  6. Step 6: Final answer
    x = 207.58

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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.