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Finding the Fourth Proportional to 95,415.81, 143,189.31 and 33,086.31

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Solution

The fourth proportional to 95,415.81, 143,189.31 and 33,086.31 is: 49,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,415.81 : 143,189.31 = 33,086.31 : x
  2. Step 2: Convert to fraction form
    95,415.81/143,189.31 = 33,086.31/x
  3. Step 3: Cross multiply
    95,415.81x = 143,189.31 × 33,086.31
  4. Step 4: Simplify right side
    95,415.81x = 4,737,605,183.40
  5. Step 5: Solve for x
    x = 4,737,605,183.40/95,415.81
  6. Step 6: Final answer
    x = 49,652.21

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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.