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Finding the Fourth Proportional to 198,671.04, 274,160.04 and 108,027.18

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Solution

The fourth proportional to 198,671.04, 274,160.04 and 108,027.18 is: 149,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,671.04 : 274,160.04 = 108,027.18 : x
  2. Step 2: Convert to fraction form
    198,671.04/274,160.04 = 108,027.18/x
  3. Step 3: Cross multiply
    198,671.04x = 274,160.04 × 108,027.18
  4. Step 4: Simplify right side
    198,671.04x = 29,616,735,989.89
  5. Step 5: Solve for x
    x = 29,616,735,989.89/198,671.04
  6. Step 6: Final answer
    x = 149,074.25

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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.