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Finding the Fourth Proportional to 222,244.86, 333,420.35 and 72,485.31

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Solution

The fourth proportional to 222,244.86, 333,420.35 and 72,485.31 is: 108,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,244.86 : 333,420.35 = 72,485.31 : x
  2. Step 2: Convert to fraction form
    222,244.86/333,420.35 = 72,485.31/x
  3. Step 3: Cross multiply
    222,244.86x = 333,420.35 × 72,485.31
  4. Step 4: Simplify right side
    222,244.86x = 24,168,077,067.63
  5. Step 5: Solve for x
    x = 24,168,077,067.63/222,244.86
  6. Step 6: Final answer
    x = 108,745.27

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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.