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Finding the Fourth Proportional to 250,917.20, 376,266.45 and 101,107.70

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Solution

The fourth proportional to 250,917.20, 376,266.45 and 101,107.70 is: 151,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,917.20 : 376,266.45 = 101,107.70 : x
  2. Step 2: Convert to fraction form
    250,917.20/376,266.45 = 101,107.70/x
  3. Step 3: Cross multiply
    250,917.20x = 376,266.45 × 101,107.70
  4. Step 4: Simplify right side
    250,917.20x = 38,043,435,346.67
  5. Step 5: Solve for x
    x = 38,043,435,346.67/250,917.20
  6. Step 6: Final answer
    x = 151,617.49

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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.