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Finding the Fourth Proportional to 198,100.80, 297,807.30 and 169,232.40

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Solution

The fourth proportional to 198,100.80, 297,807.30 and 169,232.40 is: 254,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,100.80 : 297,807.30 = 169,232.40 : x
  2. Step 2: Convert to fraction form
    198,100.80/297,807.30 = 169,232.40/x
  3. Step 3: Cross multiply
    198,100.80x = 297,807.30 × 169,232.40
  4. Step 4: Simplify right side
    198,100.80x = 50,398,644,116.52
  5. Step 5: Solve for x
    x = 50,398,644,116.52/198,100.80
  6. Step 6: Final answer
    x = 254,409.09

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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.