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Finding the Fourth Proportional to 333,815.25, 500,801.63 and 109,174.80

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Solution

The fourth proportional to 333,815.25, 500,801.63 and 109,174.80 is: 163,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,815.25 : 500,801.63 = 109,174.80 : x
  2. Step 2: Convert to fraction form
    333,815.25/500,801.63 = 109,174.80/x
  3. Step 3: Cross multiply
    333,815.25x = 500,801.63 × 109,174.80
  4. Step 4: Simplify right side
    333,815.25x = 54,674,917,794.92
  5. Step 5: Solve for x
    x = 54,674,917,794.92/333,815.25
  6. Step 6: Final answer
    x = 163,787.96

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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.