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Finding the Fourth Proportional to 250,818.98, 376,227.45 and 90,857.52

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Solution

The fourth proportional to 250,818.98, 376,227.45 and 90,857.52 is: 136,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,818.98 : 376,227.45 = 90,857.52 : x
  2. Step 2: Convert to fraction form
    250,818.98/376,227.45 = 90,857.52/x
  3. Step 3: Cross multiply
    250,818.98x = 376,227.45 × 90,857.52
  4. Step 4: Simplify right side
    250,818.98x = 34,183,093,062.92
  5. Step 5: Solve for x
    x = 34,183,093,062.92/250,818.98
  6. Step 6: Final answer
    x = 136,285.91

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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.