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Finding the Fourth Proportional to 198,679.04, 274,179.04 and 113,794.32

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Solution

The fourth proportional to 198,679.04, 274,179.04 and 113,794.32 is: 157,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,679.04 : 274,179.04 = 113,794.32 : x
  2. Step 2: Convert to fraction form
    198,679.04/274,179.04 = 113,794.32/x
  3. Step 3: Cross multiply
    198,679.04x = 274,179.04 × 113,794.32
  4. Step 4: Simplify right side
    198,679.04x = 31,200,017,415.05
  5. Step 5: Solve for x
    x = 31,200,017,415.05/198,679.04
  6. Step 6: Final answer
    x = 157,037.29

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1.5x scale

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.