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Finding the Fourth Proportional to 251,280.19, 376,975.86 and 82,793.71

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Solution

The fourth proportional to 251,280.19, 376,975.86 and 82,793.71 is: 124,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,280.19 : 376,975.86 = 82,793.71 : x
  2. Step 2: Convert to fraction form
    251,280.19/376,975.86 = 82,793.71/x
  3. Step 3: Cross multiply
    251,280.19x = 376,975.86 × 82,793.71
  4. Step 4: Simplify right side
    251,280.19x = 31,211,230,029.84
  5. Step 5: Solve for x
    x = 31,211,230,029.84/251,280.19
  6. Step 6: Final answer
    x = 124,208.88

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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.