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Finding the Fourth Proportional to 263.93, 395.93 and 101.60

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Solution

The fourth proportional to 263.93, 395.93 and 101.60 is: 152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.93 : 395.93 = 101.60 : x
  2. Step 2: Convert to fraction form
    263.93/395.93 = 101.60/x
  3. Step 3: Cross multiply
    263.93x = 395.93 × 101.60
  4. Step 4: Simplify right side
    263.93x = 40,224.76
  5. Step 5: Solve for x
    x = 40,224.76/263.93
  6. Step 6: Final answer
    x = 152.41

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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.