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Finding the Fourth Proportional to 73,406.75, 101,301.21 and 41,581.77

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Solution

The fourth proportional to 73,406.75, 101,301.21 and 41,581.77 is: 57,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,406.75 : 101,301.21 = 41,581.77 : x
  2. Step 2: Convert to fraction form
    73,406.75/101,301.21 = 41,581.77/x
  3. Step 3: Cross multiply
    73,406.75x = 101,301.21 × 41,581.77
  4. Step 4: Simplify right side
    73,406.75x = 4,212,283,614.94
  5. Step 5: Solve for x
    x = 4,212,283,614.94/73,406.75
  6. Step 6: Final answer
    x = 57,382.79

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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.