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Finding the Fourth Proportional to 250,201.92, 375,366.24 and 72,705.12

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Solution

The fourth proportional to 250,201.92, 375,366.24 and 72,705.12 is: 109,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,201.92 : 375,366.24 = 72,705.12 : x
  2. Step 2: Convert to fraction form
    250,201.92/375,366.24 = 72,705.12/x
  3. Step 3: Cross multiply
    250,201.92x = 375,366.24 × 72,705.12
  4. Step 4: Simplify right side
    250,201.92x = 27,291,047,523.15
  5. Step 5: Solve for x
    x = 27,291,047,523.15/250,201.92
  6. Step 6: Final answer
    x = 109,076.09

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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.