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Finding the Fourth Proportional to 222,308.30, 333,515.53 and 72,548.87

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Solution

The fourth proportional to 222,308.30, 333,515.53 and 72,548.87 is: 108,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,308.30 : 333,515.53 = 72,548.87 : x
  2. Step 2: Convert to fraction form
    222,308.30/333,515.53 = 72,548.87/x
  3. Step 3: Cross multiply
    222,308.30x = 333,515.53 × 72,548.87
  4. Step 4: Simplify right side
    222,308.30x = 24,196,172,843.97
  5. Step 5: Solve for x
    x = 24,196,172,843.97/222,308.30
  6. Step 6: Final answer
    x = 108,840.62

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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.