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Finding the Fourth Proportional to 222,463.10, 333,731.01 and 72,659.90

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Solution

The fourth proportional to 222,463.10, 333,731.01 and 72,659.90 is: 109,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,463.10 : 333,731.01 = 72,659.90 : x
  2. Step 2: Convert to fraction form
    222,463.10/333,731.01 = 72,659.90/x
  3. Step 3: Cross multiply
    222,463.10x = 333,731.01 × 72,659.90
  4. Step 4: Simplify right side
    222,463.10x = 24,248,861,813.50
  5. Step 5: Solve for x
    x = 24,248,861,813.50/222,463.10
  6. Step 6: Final answer
    x = 109,001.73

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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.