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Finding the Fourth Proportional to 250,341.60, 375,512.20 and 100,581.92

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Solution

The fourth proportional to 250,341.60, 375,512.20 and 100,581.92 is: 150,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,341.60 : 375,512.20 = 100,581.92 : x
  2. Step 2: Convert to fraction form
    250,341.60/375,512.20 = 100,581.92/x
  3. Step 3: Cross multiply
    250,341.60x = 375,512.20 × 100,581.92
  4. Step 4: Simplify right side
    250,341.60x = 37,769,738,059.42
  5. Step 5: Solve for x
    x = 37,769,738,059.42/250,341.60
  6. Step 6: Final answer
    x = 150,872.80

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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.