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Finding the Fourth Proportional to 302,347.89, 417,229.62 and 166,369.11

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Solution

The fourth proportional to 302,347.89, 417,229.62 and 166,369.11 is: 229,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,347.89 : 417,229.62 = 166,369.11 : x
  2. Step 2: Convert to fraction form
    302,347.89/417,229.62 = 166,369.11/x
  3. Step 3: Cross multiply
    302,347.89x = 417,229.62 × 166,369.11
  4. Step 4: Simplify right side
    302,347.89x = 69,414,120,545.04
  5. Step 5: Solve for x
    x = 69,414,120,545.04/302,347.89
  6. Step 6: Final answer
    x = 229,583.61

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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.