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Finding the Fourth Proportional to 251,121.06, 376,734.24 and 73,613.61

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Solution

The fourth proportional to 251,121.06, 376,734.24 and 73,613.61 is: 110,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,121.06 : 376,734.24 = 73,613.61 : x
  2. Step 2: Convert to fraction form
    251,121.06/376,734.24 = 73,613.61/x
  3. Step 3: Cross multiply
    251,121.06x = 376,734.24 × 73,613.61
  4. Step 4: Simplify right side
    251,121.06x = 27,732,767,417.01
  5. Step 5: Solve for x
    x = 27,732,767,417.01/251,121.06
  6. Step 6: Final answer
    x = 110,435.85

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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.