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Finding the Fourth Proportional to 192,817.10, 289,916.85 and 162,404.30

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Solution

The fourth proportional to 192,817.10, 289,916.85 and 162,404.30 is: 244,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,817.10 : 289,916.85 = 162,404.30 : x
  2. Step 2: Convert to fraction form
    192,817.10/289,916.85 = 162,404.30/x
  3. Step 3: Cross multiply
    192,817.10x = 289,916.85 × 162,404.30
  4. Step 4: Simplify right side
    192,817.10x = 47,083,743,082.46
  5. Step 5: Solve for x
    x = 47,083,743,082.46/192,817.10
  6. Step 6: Final answer
    x = 244,188.63

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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.