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Finding the Fourth Proportional to 192,385.68, 288,570.30 and 187,880.46

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Solution

The fourth proportional to 192,385.68, 288,570.30 and 187,880.46 is: 281,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,385.68 : 288,570.30 = 187,880.46 : x
  2. Step 2: Convert to fraction form
    192,385.68/288,570.30 = 187,880.46/x
  3. Step 3: Cross multiply
    192,385.68x = 288,570.30 × 187,880.46
  4. Step 4: Simplify right side
    192,385.68x = 54,216,720,706.34
  5. Step 5: Solve for x
    x = 54,216,720,706.34/192,385.68
  6. Step 6: Final answer
    x = 281,812.66

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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.