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Finding the Fourth Proportional to 73,250.91, 101,086.86 and 39,716.91

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Solution

The fourth proportional to 73,250.91, 101,086.86 and 39,716.91 is: 54,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,250.91 : 101,086.86 = 39,716.91 : x
  2. Step 2: Convert to fraction form
    73,250.91/101,086.86 = 39,716.91/x
  3. Step 3: Cross multiply
    73,250.91x = 101,086.86 × 39,716.91
  4. Step 4: Simplify right side
    73,250.91x = 4,014,857,720.80
  5. Step 5: Solve for x
    x = 4,014,857,720.80/73,250.91
  6. Step 6: Final answer
    x = 54,809.66

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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.