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Finding the Fourth Proportional to 222,369.30, 307,186.02 and 179,285.40

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Solution

The fourth proportional to 222,369.30, 307,186.02 and 179,285.40 is: 247,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,369.30 : 307,186.02 = 179,285.40 : x
  2. Step 2: Convert to fraction form
    222,369.30/307,186.02 = 179,285.40/x
  3. Step 3: Cross multiply
    222,369.30x = 307,186.02 × 179,285.40
  4. Step 4: Simplify right side
    222,369.30x = 55,073,968,470.11
  5. Step 5: Solve for x
    x = 55,073,968,470.11/222,369.30
  6. Step 6: Final answer
    x = 247,668.94

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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.