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Finding the Fourth Proportional to 333,809.64, 500,745.24 and 109,171.26

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Solution

The fourth proportional to 333,809.64, 500,745.24 and 109,171.26 is: 163,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,809.64 : 500,745.24 = 109,171.26 : x
  2. Step 2: Convert to fraction form
    333,809.64/500,745.24 = 109,171.26/x
  3. Step 3: Cross multiply
    333,809.64x = 500,745.24 × 109,171.26
  4. Step 4: Simplify right side
    333,809.64x = 54,666,988,789.80
  5. Step 5: Solve for x
    x = 54,666,988,789.80/333,809.64
  6. Step 6: Final answer
    x = 163,766.96

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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.