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Finding the Fourth Proportional to 223,099.64, 334,614.77 and 73,338.93

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Solution

The fourth proportional to 223,099.64, 334,614.77 and 73,338.93 is: 109,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,099.64 : 334,614.77 = 73,338.93 : x
  2. Step 2: Convert to fraction form
    223,099.64/334,614.77 = 73,338.93/x
  3. Step 3: Cross multiply
    223,099.64x = 334,614.77 × 73,338.93
  4. Step 4: Simplify right side
    223,099.64x = 24,540,288,827.30
  5. Step 5: Solve for x
    x = 24,540,288,827.30/223,099.64
  6. Step 6: Final answer
    x = 109,996.99

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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.