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Finding the Fourth Proportional to 333,813.75, 500,799.38 and 109,173.30

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Solution

The fourth proportional to 333,813.75, 500,799.38 and 109,173.30 is: 163,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,813.75 : 500,799.38 = 109,173.30 : x
  2. Step 2: Convert to fraction form
    333,813.75/500,799.38 = 109,173.30/x
  3. Step 3: Cross multiply
    333,813.75x = 500,799.38 × 109,173.30
  4. Step 4: Simplify right side
    333,813.75x = 54,673,920,406.69
  5. Step 5: Solve for x
    x = 54,673,920,406.69/333,813.75
  6. Step 6: Final answer
    x = 163,785.71

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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.