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Finding the Fourth Proportional to 350.44, 525.74 and 106.95

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Solution

The fourth proportional to 350.44, 525.74 and 106.95 is: 160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.44 : 525.74 = 106.95 : x
  2. Step 2: Convert to fraction form
    350.44/525.74 = 106.95/x
  3. Step 3: Cross multiply
    350.44x = 525.74 × 106.95
  4. Step 4: Simplify right side
    350.44x = 56,227.89
  5. Step 5: Solve for x
    x = 56,227.89/350.44
  6. Step 6: Final answer
    x = 160.45

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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.