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Finding the Fourth Proportional to 198,051, 273,310.38 and 108,627

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Solution

The fourth proportional to 198,051, 273,310.38 and 108,627 is: 149,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,051 : 273,310.38 = 108,627 : x
  2. Step 2: Convert to fraction form
    198,051/273,310.38 = 108,627/x
  3. Step 3: Cross multiply
    198,051x = 273,310.38 × 108,627
  4. Step 4: Simplify right side
    198,051x = 29,688,886,648.26
  5. Step 5: Solve for x
    x = 29,688,886,648.26/198,051
  6. Step 6: Final answer
    x = 149,905.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.