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Finding the Fourth Proportional to 333,723.87, 500,581.47 and 81,006.39

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Solution

The fourth proportional to 333,723.87, 500,581.47 and 81,006.39 is: 121,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,723.87 : 500,581.47 = 81,006.39 : x
  2. Step 2: Convert to fraction form
    333,723.87/500,581.47 = 81,006.39/x
  3. Step 3: Cross multiply
    333,723.87x = 500,581.47 × 81,006.39
  4. Step 4: Simplify right side
    333,723.87x = 40,550,297,785.59
  5. Step 5: Solve for x
    x = 40,550,297,785.59/333,723.87
  6. Step 6: Final answer
    x = 121,508.53

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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.