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Finding the Fourth Proportional to 526.02, 789.13 and 160.73

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Solution

The fourth proportional to 526.02, 789.13 and 160.73 is: 241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.02 : 789.13 = 160.73 : x
  2. Step 2: Convert to fraction form
    526.02/789.13 = 160.73/x
  3. Step 3: Cross multiply
    526.02x = 789.13 × 160.73
  4. Step 4: Simplify right side
    526.02x = 126,834.09
  5. Step 5: Solve for x
    x = 126,834.09/526.02
  6. Step 6: Final answer
    x = 241.12

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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.