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Finding the Fourth Proportional to 263.59, 363.77 and 147.16

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Solution

The fourth proportional to 263.59, 363.77 and 147.16 is: 203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.59 : 363.77 = 147.16 : x
  2. Step 2: Convert to fraction form
    263.59/363.77 = 147.16/x
  3. Step 3: Cross multiply
    263.59x = 363.77 × 147.16
  4. Step 4: Simplify right side
    263.59x = 53,532.39
  5. Step 5: Solve for x
    x = 53,532.39/263.59
  6. Step 6: Final answer
    x = 203.09

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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.