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Finding the Fourth Proportional to 284,608.10, 426,912.15 and 107,154.92

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Solution

The fourth proportional to 284,608.10, 426,912.15 and 107,154.92 is: 160,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,608.10 : 426,912.15 = 107,154.92 : x
  2. Step 2: Convert to fraction form
    284,608.10/426,912.15 = 107,154.92/x
  3. Step 3: Cross multiply
    284,608.10x = 426,912.15 × 107,154.92
  4. Step 4: Simplify right side
    284,608.10x = 45,745,737,280.28
  5. Step 5: Solve for x
    x = 45,745,737,280.28/284,608.10
  6. Step 6: Final answer
    x = 160,732.38

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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.