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Finding the Fourth Proportional to 192,601.80, 288,902.70 and 50,446.80

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Solution

The fourth proportional to 192,601.80, 288,902.70 and 50,446.80 is: 75,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,601.80 : 288,902.70 = 50,446.80 : x
  2. Step 2: Convert to fraction form
    192,601.80/288,902.70 = 50,446.80/x
  3. Step 3: Cross multiply
    192,601.80x = 288,902.70 × 50,446.80
  4. Step 4: Simplify right side
    192,601.80x = 14,574,216,726.36
  5. Step 5: Solve for x
    x = 14,574,216,726.36/192,601.80
  6. Step 6: Final answer
    x = 75,670.20

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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.