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Finding the Fourth Proportional to 250,792.58, 376,210.74 and 82,262.36

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Solution

The fourth proportional to 250,792.58, 376,210.74 and 82,262.36 is: 123,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,792.58 : 376,210.74 = 82,262.36 : x
  2. Step 2: Convert to fraction form
    250,792.58/376,210.74 = 82,262.36/x
  3. Step 3: Cross multiply
    250,792.58x = 376,210.74 × 82,262.36
  4. Step 4: Simplify right side
    250,792.58x = 30,947,983,329.75
  5. Step 5: Solve for x
    x = 30,947,983,329.75/250,792.58
  6. Step 6: Final answer
    x = 123,400.71

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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.