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Finding the Fourth Proportional to 350.74, 526.11 and 107.26

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Solution

The fourth proportional to 350.74, 526.11 and 107.26 is: 160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.74 : 526.11 = 107.26 : x
  2. Step 2: Convert to fraction form
    350.74/526.11 = 107.26/x
  3. Step 3: Cross multiply
    350.74x = 526.11 × 107.26
  4. Step 4: Simplify right side
    350.74x = 56,430.56
  5. Step 5: Solve for x
    x = 56,430.56/350.74
  6. Step 6: Final answer
    x = 160.89

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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.