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Finding the Fourth Proportional to 210,310.35, 290,229.27 and 114,819.24

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Solution

The fourth proportional to 210,310.35, 290,229.27 and 114,819.24 is: 158,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,310.35 : 290,229.27 = 114,819.24 : x
  2. Step 2: Convert to fraction form
    210,310.35/290,229.27 = 114,819.24/x
  3. Step 3: Cross multiply
    210,310.35x = 290,229.27 × 114,819.24
  4. Step 4: Simplify right side
    210,310.35x = 33,323,904,207.15
  5. Step 5: Solve for x
    x = 33,323,904,207.15/210,310.35
  6. Step 6: Final answer
    x = 158,451.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.