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Finding the Fourth Proportional to 350.71, 526.17 and 107.23

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Solution

The fourth proportional to 350.71, 526.17 and 107.23 is: 160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.71 : 526.17 = 107.23 : x
  2. Step 2: Convert to fraction form
    350.71/526.17 = 107.23/x
  3. Step 3: Cross multiply
    350.71x = 526.17 × 107.23
  4. Step 4: Simplify right side
    350.71x = 56,422.78
  5. Step 5: Solve for x
    x = 56,422.78/350.71
  6. Step 6: Final answer
    x = 160.88

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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.