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Finding the Fourth Proportional to 91,162.94, 125,811.18 and 50,884.56

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Solution

The fourth proportional to 91,162.94, 125,811.18 and 50,884.56 is: 70,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162.94 : 125,811.18 = 50,884.56 : x
  2. Step 2: Convert to fraction form
    91,162.94/125,811.18 = 50,884.56/x
  3. Step 3: Cross multiply
    91,162.94x = 125,811.18 × 50,884.56
  4. Step 4: Simplify right side
    91,162.94x = 6,401,846,537.38
  5. Step 5: Solve for x
    x = 6,401,846,537.38/91,162.94
  6. Step 6: Final answer
    x = 70,224.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.