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Finding the Fourth Proportional to 203,274.24, 304,888.64 and 53,528.64

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Solution

The fourth proportional to 203,274.24, 304,888.64 and 53,528.64 is: 80,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,274.24 : 304,888.64 = 53,528.64 : x
  2. Step 2: Convert to fraction form
    203,274.24/304,888.64 = 53,528.64/x
  3. Step 3: Cross multiply
    203,274.24x = 304,888.64 × 53,528.64
  4. Step 4: Simplify right side
    203,274.24x = 16,320,274,250.65
  5. Step 5: Solve for x
    x = 16,320,274,250.65/203,274.24
  6. Step 6: Final answer
    x = 80,286.98

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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.