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Finding the Fourth Proportional to 222,113.78, 333,170.42 and 72,353.82

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Solution

The fourth proportional to 222,113.78, 333,170.42 and 72,353.82 is: 108,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,113.78 : 333,170.42 = 72,353.82 : x
  2. Step 2: Convert to fraction form
    222,113.78/333,170.42 = 72,353.82/x
  3. Step 3: Cross multiply
    222,113.78x = 333,170.42 × 72,353.82
  4. Step 4: Simplify right side
    222,113.78x = 24,106,152,236.24
  5. Step 5: Solve for x
    x = 24,106,152,236.24/222,113.78
  6. Step 6: Final answer
    x = 108,530.65

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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.