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Finding the Fourth Proportional to 73,012.67, 109,502.49 and 33,531.83

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Solution

The fourth proportional to 73,012.67, 109,502.49 and 33,531.83 is: 50,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.67 : 109,502.49 = 33,531.83 : x
  2. Step 2: Convert to fraction form
    73,012.67/109,502.49 = 33,531.83/x
  3. Step 3: Cross multiply
    73,012.67x = 109,502.49 × 33,531.83
  4. Step 4: Simplify right side
    73,012.67x = 3,671,818,879.26
  5. Step 5: Solve for x
    x = 3,671,818,879.26/73,012.67
  6. Step 6: Final answer
    x = 50,290.16

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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.