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Finding the Fourth Proportional to 357.76, 536.41 and 114.27

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Solution

The fourth proportional to 357.76, 536.41 and 114.27 is: 171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.76 : 536.41 = 114.27 : x
  2. Step 2: Convert to fraction form
    357.76/536.41 = 114.27/x
  3. Step 3: Cross multiply
    357.76x = 536.41 × 114.27
  4. Step 4: Simplify right side
    357.76x = 61,295.57
  5. Step 5: Solve for x
    x = 61,295.57/357.76
  6. Step 6: Final answer
    x = 171.33

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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.