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Finding the Fourth Proportional to 168,189.30, 232,100.39 and 92,737.80

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Solution

The fourth proportional to 168,189.30, 232,100.39 and 92,737.80 is: 127,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189.30 : 232,100.39 = 92,737.80 : x
  2. Step 2: Convert to fraction form
    168,189.30/232,100.39 = 92,737.80/x
  3. Step 3: Cross multiply
    168,189.30x = 232,100.39 × 92,737.80
  4. Step 4: Simplify right side
    168,189.30x = 21,524,479,084.05
  5. Step 5: Solve for x
    x = 21,524,479,084.05/168,189.30
  6. Step 6: Final answer
    x = 127,977.70

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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.