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Finding the Fourth Proportional to 222,343.25, 333,546.86 and 72,546.44

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Solution

The fourth proportional to 222,343.25, 333,546.86 and 72,546.44 is: 108,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,343.25 : 333,546.86 = 72,546.44 : x
  2. Step 2: Convert to fraction form
    222,343.25/333,546.86 = 72,546.44/x
  3. Step 3: Cross multiply
    222,343.25x = 333,546.86 × 72,546.44
  4. Step 4: Simplify right side
    222,343.25x = 24,197,635,779.81
  5. Step 5: Solve for x
    x = 24,197,635,779.81/222,343.25
  6. Step 6: Final answer
    x = 108,830.09

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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.