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Finding the Fourth Proportional to 350.12, 525.24 and 106.60

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Solution

The fourth proportional to 350.12, 525.24 and 106.60 is: 159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.12 : 525.24 = 106.60 : x
  2. Step 2: Convert to fraction form
    350.12/525.24 = 106.60/x
  3. Step 3: Cross multiply
    350.12x = 525.24 × 106.60
  4. Step 4: Simplify right side
    350.12x = 55,990.58
  5. Step 5: Solve for x
    x = 55,990.58/350.12
  6. Step 6: Final answer
    x = 159.92

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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.