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Finding the Fourth Proportional to 234,279.95, 351,418.77 and 56,786.97

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Solution

The fourth proportional to 234,279.95, 351,418.77 and 56,786.97 is: 85,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279.95 : 351,418.77 = 56,786.97 : x
  2. Step 2: Convert to fraction form
    234,279.95/351,418.77 = 56,786.97/x
  3. Step 3: Cross multiply
    234,279.95x = 351,418.77 × 56,786.97
  4. Step 4: Simplify right side
    234,279.95x = 19,956,005,502.15
  5. Step 5: Solve for x
    x = 19,956,005,502.15/234,279.95
  6. Step 6: Final answer
    x = 85,180.17

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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.