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Finding the Fourth Proportional to 263.83, 395.50 and 101.48

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Solution

The fourth proportional to 263.83, 395.50 and 101.48 is: 152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.83 : 395.50 = 101.48 : x
  2. Step 2: Convert to fraction form
    263.83/395.50 = 101.48/x
  3. Step 3: Cross multiply
    263.83x = 395.50 × 101.48
  4. Step 4: Simplify right side
    263.83x = 40,135.34
  5. Step 5: Solve for x
    x = 40,135.34/263.83
  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.