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Finding the Fourth Proportional to 250,649.26, 376,058.13 and 92,890.42

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Solution

The fourth proportional to 250,649.26, 376,058.13 and 92,890.42 is: 139,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,649.26 : 376,058.13 = 92,890.42 : x
  2. Step 2: Convert to fraction form
    250,649.26/376,058.13 = 92,890.42/x
  3. Step 3: Cross multiply
    250,649.26x = 376,058.13 × 92,890.42
  4. Step 4: Simplify right side
    250,649.26x = 34,932,197,640.11
  5. Step 5: Solve for x
    x = 34,932,197,640.11/250,649.26
  6. Step 6: Final answer
    x = 139,366.85

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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.