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Finding the Fourth Proportional to 350.35, 525.53 and 133.94

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Solution

The fourth proportional to 350.35, 525.53 and 133.94 is: 200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.35 : 525.53 = 133.94 : x
  2. Step 2: Convert to fraction form
    350.35/525.53 = 133.94/x
  3. Step 3: Cross multiply
    350.35x = 525.53 × 133.94
  4. Step 4: Simplify right side
    350.35x = 70,391.14
  5. Step 5: Solve for x
    x = 70,391.14/350.35
  6. Step 6: Final answer
    x = 200.92

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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.