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Finding the Fourth Proportional to 222,979.88, 334,539.66 and 73,221.32

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Solution

The fourth proportional to 222,979.88, 334,539.66 and 73,221.32 is: 109,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,979.88 : 334,539.66 = 73,221.32 : x
  2. Step 2: Convert to fraction form
    222,979.88/334,539.66 = 73,221.32/x
  3. Step 3: Cross multiply
    222,979.88x = 334,539.66 × 73,221.32
  4. Step 4: Simplify right side
    222,979.88x = 24,495,435,497.55
  5. Step 5: Solve for x
    x = 24,495,435,497.55/222,979.88
  6. Step 6: Final answer
    x = 109,854.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.