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Finding the Fourth Proportional to 70,163.15, 105,171.21 and 32,692.31

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Solution

The fourth proportional to 70,163.15, 105,171.21 and 32,692.31 is: 49,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.15 : 105,171.21 = 32,692.31 : x
  2. Step 2: Convert to fraction form
    70,163.15/105,171.21 = 32,692.31/x
  3. Step 3: Cross multiply
    70,163.15x = 105,171.21 × 32,692.31
  4. Step 4: Simplify right side
    70,163.15x = 3,438,289,668.93
  5. Step 5: Solve for x
    x = 3,438,289,668.93/70,163.15
  6. Step 6: Final answer
    x = 49,004.21

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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.