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Finding the Fourth Proportional to 203,060.88, 304,601.40 and 53,301.60

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Solution

The fourth proportional to 203,060.88, 304,601.40 and 53,301.60 is: 79,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,060.88 : 304,601.40 = 53,301.60 : x
  2. Step 2: Convert to fraction form
    203,060.88/304,601.40 = 53,301.60/x
  3. Step 3: Cross multiply
    203,060.88x = 304,601.40 × 53,301.60
  4. Step 4: Simplify right side
    203,060.88x = 16,235,741,982.24
  5. Step 5: Solve for x
    x = 16,235,741,982.24/203,060.88
  6. Step 6: Final answer
    x = 79,955.05

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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.