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Finding the Fourth Proportional to 91,162.92, 125,811.15 and 50,884.56

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Solution

The fourth proportional to 91,162.92, 125,811.15 and 50,884.56 is: 70,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162.92 : 125,811.15 = 50,884.56 : x
  2. Step 2: Convert to fraction form
    91,162.92/125,811.15 = 50,884.56/x
  3. Step 3: Cross multiply
    91,162.92x = 125,811.15 × 50,884.56
  4. Step 4: Simplify right side
    91,162.92x = 6,401,845,010.84
  5. Step 5: Solve for x
    x = 6,401,845,010.84/91,162.92
  6. Step 6: Final answer
    x = 70,224.22

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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.