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Finding the Fourth Proportional to 250,553.25, 375,822.59 and 92,778.21

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Solution

The fourth proportional to 250,553.25, 375,822.59 and 92,778.21 is: 139,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,553.25 : 375,822.59 = 92,778.21 : x
  2. Step 2: Convert to fraction form
    250,553.25/375,822.59 = 92,778.21/x
  3. Step 3: Cross multiply
    250,553.25x = 375,822.59 × 92,778.21
  4. Step 4: Simplify right side
    250,553.25x = 34,868,146,713.87
  5. Step 5: Solve for x
    x = 34,868,146,713.87/250,553.25
  6. Step 6: Final answer
    x = 139,164.62

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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.