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Finding the Fourth Proportional to 222,819.76, 334,240.56 and 72,999.36

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Solution

The fourth proportional to 222,819.76, 334,240.56 and 72,999.36 is: 109,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,819.76 : 334,240.56 = 72,999.36 : x
  2. Step 2: Convert to fraction form
    222,819.76/334,240.56 = 72,999.36/x
  3. Step 3: Cross multiply
    222,819.76x = 334,240.56 × 72,999.36
  4. Step 4: Simplify right side
    222,819.76x = 24,399,346,966.04
  5. Step 5: Solve for x
    x = 24,399,346,966.04/222,819.76
  6. Step 6: Final answer
    x = 109,502.62

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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.