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Finding the Fourth Proportional to 263.82, 395.58 and 101.46

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Solution

The fourth proportional to 263.82, 395.58 and 101.46 is: 152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.82 : 395.58 = 101.46 : x
  2. Step 2: Convert to fraction form
    263.82/395.58 = 101.46/x
  3. Step 3: Cross multiply
    263.82x = 395.58 × 101.46
  4. Step 4: Simplify right side
    263.82x = 40,135.55
  5. Step 5: Solve for x
    x = 40,135.55/263.82
  6. Step 6: Final answer
    x = 152.13

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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.