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Finding the Fourth Proportional to 192,889.66, 289,058.78 and 108,472.62

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Solution

The fourth proportional to 192,889.66, 289,058.78 and 108,472.62 is: 162,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,889.66 : 289,058.78 = 108,472.62 : x
  2. Step 2: Convert to fraction form
    192,889.66/289,058.78 = 108,472.62/x
  3. Step 3: Cross multiply
    192,889.66x = 289,058.78 × 108,472.62
  4. Step 4: Simplify right side
    192,889.66x = 31,354,963,200.60
  5. Step 5: Solve for x
    x = 31,354,963,200.60/192,889.66
  6. Step 6: Final answer
    x = 162,553.88

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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.