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Finding the Fourth Proportional to 192,362.92, 288,602.70 and 92,494.78

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Solution

The fourth proportional to 192,362.92, 288,602.70 and 92,494.78 is: 138,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,362.92 : 288,602.70 = 92,494.78 : x
  2. Step 2: Convert to fraction form
    192,362.92/288,602.70 = 92,494.78/x
  3. Step 3: Cross multiply
    192,362.92x = 288,602.70 × 92,494.78
  4. Step 4: Simplify right side
    192,362.92x = 26,694,243,243.91
  5. Step 5: Solve for x
    x = 26,694,243,243.91/192,362.92
  6. Step 6: Final answer
    x = 138,770.21

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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.