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Finding the Fourth Proportional to 223,891.56, 335,485.26 and 156,357

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Solution

The fourth proportional to 223,891.56, 335,485.26 and 156,357 is: 234,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,891.56 : 335,485.26 = 156,357 : x
  2. Step 2: Convert to fraction form
    223,891.56/335,485.26 = 156,357/x
  3. Step 3: Cross multiply
    223,891.56x = 335,485.26 × 156,357
  4. Step 4: Simplify right side
    223,891.56x = 52,455,468,797.82
  5. Step 5: Solve for x
    x = 52,455,468,797.82/223,891.56
  6. Step 6: Final answer
    x = 234,289.62

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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.