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Finding the Fourth Proportional to 350.12, 525.29 and 106.68

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Solution

The fourth proportional to 350.12, 525.29 and 106.68 is: 160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.12 : 525.29 = 106.68 : x
  2. Step 2: Convert to fraction form
    350.12/525.29 = 106.68/x
  3. Step 3: Cross multiply
    350.12x = 525.29 × 106.68
  4. Step 4: Simplify right side
    350.12x = 56,039.37
  5. Step 5: Solve for x
    x = 56,039.37/350.12
  6. Step 6: Final answer
    x = 160.06

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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.