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Finding the Fourth Proportional to 222,476.52, 307,025.52 and 121,874.52

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Solution

The fourth proportional to 222,476.52, 307,025.52 and 121,874.52 is: 168,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,476.52 : 307,025.52 = 121,874.52 : x
  2. Step 2: Convert to fraction form
    222,476.52/307,025.52 = 121,874.52/x
  3. Step 3: Cross multiply
    222,476.52x = 307,025.52 × 121,874.52
  4. Step 4: Simplify right side
    222,476.52x = 37,418,587,877.75
  5. Step 5: Solve for x
    x = 37,418,587,877.75/222,476.52
  6. Step 6: Final answer
    x = 168,191.18

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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.