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Finding the Fourth Proportional to 263.74, 395.52 and 101.48

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Solution

The fourth proportional to 263.74, 395.52 and 101.48 is: 152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.74 : 395.52 = 101.48 : x
  2. Step 2: Convert to fraction form
    263.74/395.52 = 101.48/x
  3. Step 3: Cross multiply
    263.74x = 395.52 × 101.48
  4. Step 4: Simplify right side
    263.74x = 40,137.37
  5. Step 5: Solve for x
    x = 40,137.37/263.74
  6. Step 6: Final answer
    x = 152.19

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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.