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Finding the Fourth Proportional to 270,250.86, 405,384.52 and 92,755.28

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Solution

The fourth proportional to 270,250.86, 405,384.52 and 92,755.28 is: 139,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,250.86 : 405,384.52 = 92,755.28 : x
  2. Step 2: Convert to fraction form
    270,250.86/405,384.52 = 92,755.28/x
  3. Step 3: Cross multiply
    270,250.86x = 405,384.52 × 92,755.28
  4. Step 4: Simplify right side
    270,250.86x = 37,601,554,660.27
  5. Step 5: Solve for x
    x = 37,601,554,660.27/270,250.86
  6. Step 6: Final answer
    x = 139,135.74

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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.