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Finding the Fourth Proportional to 225,493.80, 338,271.74 and 75,776.91

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Solution

The fourth proportional to 225,493.80, 338,271.74 and 75,776.91 is: 113,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,493.80 : 338,271.74 = 75,776.91 : x
  2. Step 2: Convert to fraction form
    225,493.80/338,271.74 = 75,776.91/x
  3. Step 3: Cross multiply
    225,493.80x = 338,271.74 × 75,776.91
  4. Step 4: Simplify right side
    225,493.80x = 25,633,187,197.52
  5. Step 5: Solve for x
    x = 25,633,187,197.52/225,493.80
  6. Step 6: Final answer
    x = 113,675.80

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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.