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Finding the Fourth Proportional to 91,859.76, 137,754.23 and 35,692.49

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Solution

The fourth proportional to 91,859.76, 137,754.23 and 35,692.49 is: 53,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.76 : 137,754.23 = 35,692.49 : x
  2. Step 2: Convert to fraction form
    91,859.76/137,754.23 = 35,692.49/x
  3. Step 3: Cross multiply
    91,859.76x = 137,754.23 × 35,692.49
  4. Step 4: Simplify right side
    91,859.76x = 4,916,790,609.50
  5. Step 5: Solve for x
    x = 4,916,790,609.50/91,859.76
  6. Step 6: Final answer
    x = 53,524.97

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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.