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Finding the Fourth Proportional to 222,978.88, 334,538.16 and 73,220.32

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Solution

The fourth proportional to 222,978.88, 334,538.16 and 73,220.32 is: 109,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,978.88 : 334,538.16 = 73,220.32 : x
  2. Step 2: Convert to fraction form
    222,978.88/334,538.16 = 73,220.32/x
  3. Step 3: Cross multiply
    222,978.88x = 334,538.16 × 73,220.32
  4. Step 4: Simplify right side
    222,978.88x = 24,494,991,127.41
  5. Step 5: Solve for x
    x = 24,494,991,127.41/222,978.88
  6. Step 6: Final answer
    x = 109,853.41

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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.