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Finding the Fourth Proportional to 214,979.67, 322,508.30 and 88,550.91

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Solution

The fourth proportional to 214,979.67, 322,508.30 and 88,550.91 is: 132,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,979.67 : 322,508.30 = 88,550.91 : x
  2. Step 2: Convert to fraction form
    214,979.67/322,508.30 = 88,550.91/x
  3. Step 3: Cross multiply
    214,979.67x = 322,508.30 × 88,550.91
  4. Step 4: Simplify right side
    214,979.67x = 28,558,403,004.80
  5. Step 5: Solve for x
    x = 28,558,403,004.80/214,979.67
  6. Step 6: Final answer
    x = 132,842.34

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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.