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Finding the Fourth Proportional to 192,092.20, 287,482.20 and 168,472.60

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Solution

The fourth proportional to 192,092.20, 287,482.20 and 168,472.60 is: 252,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,092.20 : 287,482.20 = 168,472.60 : x
  2. Step 2: Convert to fraction form
    192,092.20/287,482.20 = 168,472.60/x
  3. Step 3: Cross multiply
    192,092.20x = 287,482.20 × 168,472.60
  4. Step 4: Simplify right side
    192,092.20x = 48,432,873,687.72
  5. Step 5: Solve for x
    x = 48,432,873,687.72/192,092.20
  6. Step 6: Final answer
    x = 252,133.47

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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.