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Finding the Fourth Proportional to 223,953.39, 335,977.47 and 74,185.20

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Solution

The fourth proportional to 223,953.39, 335,977.47 and 74,185.20 is: 111,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,953.39 : 335,977.47 = 74,185.20 : x
  2. Step 2: Convert to fraction form
    223,953.39/335,977.47 = 74,185.20/x
  3. Step 3: Cross multiply
    223,953.39x = 335,977.47 × 74,185.20
  4. Step 4: Simplify right side
    223,953.39x = 24,924,555,807.44
  5. Step 5: Solve for x
    x = 24,924,555,807.44/223,953.39
  6. Step 6: Final answer
    x = 111,293.50

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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.