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Finding the Fourth Proportional to 91,996.87, 137,950.33 and 37,951.49

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Solution

The fourth proportional to 91,996.87, 137,950.33 and 37,951.49 is: 56,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,996.87 : 137,950.33 = 37,951.49 : x
  2. Step 2: Convert to fraction form
    91,996.87/137,950.33 = 37,951.49/x
  3. Step 3: Cross multiply
    91,996.87x = 137,950.33 × 37,951.49
  4. Step 4: Simplify right side
    91,996.87x = 5,235,420,302.18
  5. Step 5: Solve for x
    x = 5,235,420,302.18/91,996.87
  6. Step 6: Final answer
    x = 56,908.68

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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.