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Finding the Fourth Proportional to 203,275.24, 304,890.14 and 53,529.64

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Solution

The fourth proportional to 203,275.24, 304,890.14 and 53,529.64 is: 80,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,275.24 : 304,890.14 = 53,529.64 : x
  2. Step 2: Convert to fraction form
    203,275.24/304,890.14 = 53,529.64/x
  3. Step 3: Cross multiply
    203,275.24x = 304,890.14 × 53,529.64
  4. Step 4: Simplify right side
    203,275.24x = 16,320,659,433.75
  5. Step 5: Solve for x
    x = 16,320,659,433.75/203,275.24
  6. Step 6: Final answer
    x = 80,288.48

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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.