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Finding the Fourth Proportional to 222,659.10, 334,073.25 and 133,973.82

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Solution

The fourth proportional to 222,659.10, 334,073.25 and 133,973.82 is: 201,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,659.10 : 334,073.25 = 133,973.82 : x
  2. Step 2: Convert to fraction form
    222,659.10/334,073.25 = 133,973.82/x
  3. Step 3: Cross multiply
    222,659.10x = 334,073.25 × 133,973.82
  4. Step 4: Simplify right side
    222,659.10x = 44,757,069,462.32
  5. Step 5: Solve for x
    x = 44,757,069,462.32/222,659.10
  6. Step 6: Final answer
    x = 201,011.63

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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.