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Finding the Fourth Proportional to 250,378.68, 375,629.58 and 72,887.24

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Solution

The fourth proportional to 250,378.68, 375,629.58 and 72,887.24 is: 109,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,378.68 : 375,629.58 = 72,887.24 : x
  2. Step 2: Convert to fraction form
    250,378.68/375,629.58 = 72,887.24/x
  3. Step 3: Cross multiply
    250,378.68x = 375,629.58 × 72,887.24
  4. Step 4: Simplify right side
    250,378.68x = 27,378,601,470.41
  5. Step 5: Solve for x
    x = 27,378,601,470.41/250,378.68
  6. Step 6: Final answer
    x = 109,348.77

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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.