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Finding the Fourth Proportional to 250,380.20, 375,650.58 and 72,897.86

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Solution

The fourth proportional to 250,380.20, 375,650.58 and 72,897.86 is: 109,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,380.20 : 375,650.58 = 72,897.86 : x
  2. Step 2: Convert to fraction form
    250,380.20/375,650.58 = 72,897.86/x
  3. Step 3: Cross multiply
    250,380.20x = 375,650.58 × 72,897.86
  4. Step 4: Simplify right side
    250,380.20x = 27,384,123,389.76
  5. Step 5: Solve for x
    x = 27,384,123,389.76/250,380.20
  6. Step 6: Final answer
    x = 109,370.16

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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.