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Finding the Fourth Proportional to 525.93, 789.01 and 160.75

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Solution

The fourth proportional to 525.93, 789.01 and 160.75 is: 241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.93 : 789.01 = 160.75 : x
  2. Step 2: Convert to fraction form
    525.93/789.01 = 160.75/x
  3. Step 3: Cross multiply
    525.93x = 789.01 × 160.75
  4. Step 4: Simplify right side
    525.93x = 126,829.81
  5. Step 5: Solve for x
    x = 126,829.81/525.93
  6. Step 6: Final answer
    x = 241.15

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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.