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Finding the Fourth Proportional to 333,833.72, 500,781.41 and 109,195.43

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Solution

The fourth proportional to 333,833.72, 500,781.41 and 109,195.43 is: 163,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,833.72 : 500,781.41 = 109,195.43 : x
  2. Step 2: Convert to fraction form
    333,833.72/500,781.41 = 109,195.43/x
  3. Step 3: Cross multiply
    333,833.72x = 500,781.41 × 109,195.43
  4. Step 4: Simplify right side
    333,833.72x = 54,683,040,854.98
  5. Step 5: Solve for x
    x = 54,683,040,854.98/333,833.72
  6. Step 6: Final answer
    x = 163,803.23

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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.