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Finding the Fourth Proportional to 250,818.92, 376,227.34 and 90,857.42

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Solution

The fourth proportional to 250,818.92, 376,227.34 and 90,857.42 is: 136,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,818.92 : 376,227.34 = 90,857.42 : x
  2. Step 2: Convert to fraction form
    250,818.92/376,227.34 = 90,857.42/x
  3. Step 3: Cross multiply
    250,818.92x = 376,227.34 × 90,857.42
  4. Step 4: Simplify right side
    250,818.92x = 34,183,045,445.86
  5. Step 5: Solve for x
    x = 34,183,045,445.86/250,818.92
  6. Step 6: Final answer
    x = 136,285.75

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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.