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Finding the Fourth Proportional to 73,175.94, 109,751.04 and 20,572.92

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Solution

The fourth proportional to 73,175.94, 109,751.04 and 20,572.92 is: 30,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.94 : 109,751.04 = 20,572.92 : x
  2. Step 2: Convert to fraction form
    73,175.94/109,751.04 = 20,572.92/x
  3. Step 3: Cross multiply
    73,175.94x = 109,751.04 × 20,572.92
  4. Step 4: Simplify right side
    73,175.94x = 2,257,899,365.84
  5. Step 5: Solve for x
    x = 2,257,899,365.84/73,175.94
  6. Step 6: Final answer
    x = 30,855.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.