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Finding the Fourth Proportional to 197,999.80, 296,942.10 and 109,295.80

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Solution

The fourth proportional to 197,999.80, 296,942.10 and 109,295.80 is: 163,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,999.80 : 296,942.10 = 109,295.80 : x
  2. Step 2: Convert to fraction form
    197,999.80/296,942.10 = 109,295.80/x
  3. Step 3: Cross multiply
    197,999.80x = 296,942.10 × 109,295.80
  4. Step 4: Simplify right side
    197,999.80x = 32,454,524,373.18
  5. Step 5: Solve for x
    x = 32,454,524,373.18/197,999.80
  6. Step 6: Final answer
    x = 163,911.90

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1.5x scale

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.