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Finding the Fourth Proportional to 223,891.41, 335,953.76 and 99,203.25

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Solution

The fourth proportional to 223,891.41, 335,953.76 and 99,203.25 is: 148,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,891.41 : 335,953.76 = 99,203.25 : x
  2. Step 2: Convert to fraction form
    223,891.41/335,953.76 = 99,203.25/x
  3. Step 3: Cross multiply
    223,891.41x = 335,953.76 × 99,203.25
  4. Step 4: Simplify right side
    223,891.41x = 33,327,704,345.70
  5. Step 5: Solve for x
    x = 33,327,704,345.70/223,891.41
  6. Step 6: Final answer
    x = 148,856.56

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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.