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Finding the Fourth Proportional to 203,039.88, 304,629.02 and 60,888.64

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Solution

The fourth proportional to 203,039.88, 304,629.02 and 60,888.64 is: 91,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039.88 : 304,629.02 = 60,888.64 : x
  2. Step 2: Convert to fraction form
    203,039.88/304,629.02 = 60,888.64/x
  3. Step 3: Cross multiply
    203,039.88x = 304,629.02 × 60,888.64
  4. Step 4: Simplify right side
    203,039.88x = 18,548,447,857.88
  5. Step 5: Solve for x
    x = 18,548,447,857.88/203,039.88
  6. Step 6: Final answer
    x = 91,353.72

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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.