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Finding the Fourth Proportional to 222,466.52, 307,004.98 and 121,864.52

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Solution

The fourth proportional to 222,466.52, 307,004.98 and 121,864.52 is: 168,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.52 : 307,004.98 = 121,864.52 : x
  2. Step 2: Convert to fraction form
    222,466.52/307,004.98 = 121,864.52/x
  3. Step 3: Cross multiply
    222,466.52x = 307,004.98 × 121,864.52
  4. Step 4: Simplify right side
    222,466.52x = 37,413,014,525.31
  5. Step 5: Solve for x
    x = 37,413,014,525.31/222,466.52
  6. Step 6: Final answer
    x = 168,173.69

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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.