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Finding the Fourth Proportional to 250,873.20, 376,018.20 and 101,039.40

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Solution

The fourth proportional to 250,873.20, 376,018.20 and 101,039.40 is: 151,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,873.20 : 376,018.20 = 101,039.40 : x
  2. Step 2: Convert to fraction form
    250,873.20/376,018.20 = 101,039.40/x
  3. Step 3: Cross multiply
    250,873.20x = 376,018.20 × 101,039.40
  4. Step 4: Simplify right side
    250,873.20x = 37,992,653,317.08
  5. Step 5: Solve for x
    x = 37,992,653,317.08/250,873.20
  6. Step 6: Final answer
    x = 151,441.66

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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.