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Finding the Fourth Proportional to 250,819.98, 376,228.95 and 90,858.52

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Solution

The fourth proportional to 250,819.98, 376,228.95 and 90,858.52 is: 136,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,819.98 : 376,228.95 = 90,858.52 : x
  2. Step 2: Convert to fraction form
    250,819.98/376,228.95 = 90,858.52/x
  3. Step 3: Cross multiply
    250,819.98x = 376,228.95 × 90,858.52
  4. Step 4: Simplify right side
    250,819.98x = 34,183,605,578.15
  5. Step 5: Solve for x
    x = 34,183,605,578.15/250,819.98
  6. Step 6: Final answer
    x = 136,287.41

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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.