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Finding the Fourth Proportional to 357.67, 536.60 and 114.22

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Solution

The fourth proportional to 357.67, 536.60 and 114.22 is: 171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.67 : 536.60 = 114.22 : x
  2. Step 2: Convert to fraction form
    357.67/536.60 = 114.22/x
  3. Step 3: Cross multiply
    357.67x = 536.60 × 114.22
  4. Step 4: Simplify right side
    357.67x = 61,290.45
  5. Step 5: Solve for x
    x = 61,290.45/357.67
  6. Step 6: Final answer
    x = 171.36

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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.