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Finding the Fourth Proportional to 101,241.28, 151,850.98 and 56,728.54

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Solution

The fourth proportional to 101,241.28, 151,850.98 and 56,728.54 is: 85,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241.28 : 151,850.98 = 56,728.54 : x
  2. Step 2: Convert to fraction form
    101,241.28/151,850.98 = 56,728.54/x
  3. Step 3: Cross multiply
    101,241.28x = 151,850.98 × 56,728.54
  4. Step 4: Simplify right side
    101,241.28x = 8,614,284,392.97
  5. Step 5: Solve for x
    x = 8,614,284,392.97/101,241.28
  6. Step 6: Final answer
    x = 85,086.68

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1.5x scale

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.