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Finding the Fourth Proportional to 250,553.75, 375,823.34 and 92,778.71

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Solution

The fourth proportional to 250,553.75, 375,823.34 and 92,778.71 is: 139,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,553.75 : 375,823.34 = 92,778.71 : x
  2. Step 2: Convert to fraction form
    250,553.75/375,823.34 = 92,778.71/x
  3. Step 3: Cross multiply
    250,553.75x = 375,823.34 × 92,778.71
  4. Step 4: Simplify right side
    250,553.75x = 34,868,404,209.20
  5. Step 5: Solve for x
    x = 34,868,404,209.20/250,553.75
  6. Step 6: Final answer
    x = 139,165.37

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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.