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Finding the Fourth Proportional to 73,138.82, 100,937.54 and 41,313.71

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Solution

The fourth proportional to 73,138.82, 100,937.54 and 41,313.71 is: 57,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,138.82 : 100,937.54 = 41,313.71 : x
  2. Step 2: Convert to fraction form
    73,138.82/100,937.54 = 41,313.71/x
  3. Step 3: Cross multiply
    73,138.82x = 100,937.54 × 41,313.71
  4. Step 4: Simplify right side
    73,138.82x = 4,170,104,611.30
  5. Step 5: Solve for x
    x = 4,170,104,611.30/73,138.82
  6. Step 6: Final answer
    x = 57,016.30

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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.