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Finding the Fourth Proportional to 302,481.22, 417,420.69 and 166,512.26

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Solution

The fourth proportional to 302,481.22, 417,420.69 and 166,512.26 is: 229,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,481.22 : 417,420.69 = 166,512.26 : x
  2. Step 2: Convert to fraction form
    302,481.22/417,420.69 = 166,512.26/x
  3. Step 3: Cross multiply
    302,481.22x = 417,420.69 × 166,512.26
  4. Step 4: Simplify right side
    302,481.22x = 69,505,662,462.66
  5. Step 5: Solve for x
    x = 69,505,662,462.66/302,481.22
  6. Step 6: Final answer
    x = 229,785.05

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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.