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Finding the Fourth Proportional to 350.58, 525.97 and 107.11

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Solution

The fourth proportional to 350.58, 525.97 and 107.11 is: 160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.58 : 525.97 = 107.11 : x
  2. Step 2: Convert to fraction form
    350.58/525.97 = 107.11/x
  3. Step 3: Cross multiply
    350.58x = 525.97 × 107.11
  4. Step 4: Simplify right side
    350.58x = 56,337.04
  5. Step 5: Solve for x
    x = 56,337.04/350.58
  6. Step 6: Final answer
    x = 160.69

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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.