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Finding the Fourth Proportional to 357.96, 536.88 and 114.44

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Solution

The fourth proportional to 357.96, 536.88 and 114.44 is: 171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.96 : 536.88 = 114.44 : x
  2. Step 2: Convert to fraction form
    357.96/536.88 = 114.44/x
  3. Step 3: Cross multiply
    357.96x = 536.88 × 114.44
  4. Step 4: Simplify right side
    357.96x = 61,440.55
  5. Step 5: Solve for x
    x = 61,440.55/357.96
  6. Step 6: Final answer
    x = 171.64

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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.