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Finding the Fourth Proportional to 223,718.52, 335,184.12 and 210,399.69

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Solution

The fourth proportional to 223,718.52, 335,184.12 and 210,399.69 is: 315,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,718.52 : 335,184.12 = 210,399.69 : x
  2. Step 2: Convert to fraction form
    223,718.52/335,184.12 = 210,399.69/x
  3. Step 3: Cross multiply
    223,718.52x = 335,184.12 × 210,399.69
  4. Step 4: Simplify right side
    223,718.52x = 70,522,634,940.92
  5. Step 5: Solve for x
    x = 70,522,634,940.92/223,718.52
  6. Step 6: Final answer
    x = 315,229.31

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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.