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Finding the Fourth Proportional to 500,754.85, 751,133.22 and 121,675.91

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Solution

The fourth proportional to 500,754.85, 751,133.22 and 121,675.91 is: 182,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,754.85 : 751,133.22 = 121,675.91 : x
  2. Step 2: Convert to fraction form
    500,754.85/751,133.22 = 121,675.91/x
  3. Step 3: Cross multiply
    500,754.85x = 751,133.22 × 121,675.91
  4. Step 4: Simplify right side
    500,754.85x = 91,394,813,710.68
  5. Step 5: Solve for x
    x = 91,394,813,710.68/500,754.85
  6. Step 6: Final answer
    x = 182,514.09

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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.