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Finding the Fourth Proportional to 322,671.33, 484,083.54 and 109,435.19

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Solution

The fourth proportional to 322,671.33, 484,083.54 and 109,435.19 is: 164,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,671.33 : 484,083.54 = 109,435.19 : x
  2. Step 2: Convert to fraction form
    322,671.33/484,083.54 = 109,435.19/x
  3. Step 3: Cross multiply
    322,671.33x = 484,083.54 × 109,435.19
  4. Step 4: Simplify right side
    322,671.33x = 52,975,771,755.35
  5. Step 5: Solve for x
    x = 52,975,771,755.35/322,671.33
  6. Step 6: Final answer
    x = 164,178.74

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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.