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Finding the Fourth Proportional to 222,577.52, 307,164.84 and 121,975.52

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Solution

The fourth proportional to 222,577.52, 307,164.84 and 121,975.52 is: 168,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,577.52 : 307,164.84 = 121,975.52 : x
  2. Step 2: Convert to fraction form
    222,577.52/307,164.84 = 121,975.52/x
  3. Step 3: Cross multiply
    222,577.52x = 307,164.84 × 121,975.52
  4. Step 4: Simplify right side
    222,577.52x = 37,466,591,084.72
  5. Step 5: Solve for x
    x = 37,466,591,084.72/222,577.52
  6. Step 6: Final answer
    x = 168,330.53

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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.