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Finding the Fourth Proportional to 334,448.80, 501,673.20 and 109,843.90

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Solution

The fourth proportional to 334,448.80, 501,673.20 and 109,843.90 is: 164,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,448.80 : 501,673.20 = 109,843.90 : x
  2. Step 2: Convert to fraction form
    334,448.80/501,673.20 = 109,843.90/x
  3. Step 3: Cross multiply
    334,448.80x = 501,673.20 × 109,843.90
  4. Step 4: Simplify right side
    334,448.80x = 55,105,740,813.48
  5. Step 5: Solve for x
    x = 55,105,740,813.48/334,448.80
  6. Step 6: Final answer
    x = 164,765.85

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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.