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Finding the Fourth Proportional to 302,622.82, 417,604.38 and 166,668.52

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Solution

The fourth proportional to 302,622.82, 417,604.38 and 166,668.52 is: 229,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,622.82 : 417,604.38 = 166,668.52 : x
  2. Step 2: Convert to fraction form
    302,622.82/417,604.38 = 166,668.52/x
  3. Step 3: Cross multiply
    302,622.82x = 417,604.38 × 166,668.52
  4. Step 4: Simplify right side
    302,622.82x = 69,601,503,960.12
  5. Step 5: Solve for x
    x = 69,601,503,960.12/302,622.82
  6. Step 6: Final answer
    x = 229,994.23

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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.