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Finding the Fourth Proportional to 203,077.44, 304,608.60 and 53,316.36

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Solution

The fourth proportional to 203,077.44, 304,608.60 and 53,316.36 is: 79,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,077.44 : 304,608.60 = 53,316.36 : x
  2. Step 2: Convert to fraction form
    203,077.44/304,608.60 = 53,316.36/x
  3. Step 3: Cross multiply
    203,077.44x = 304,608.60 × 53,316.36
  4. Step 4: Simplify right side
    203,077.44x = 16,240,621,776.70
  5. Step 5: Solve for x
    x = 16,240,621,776.70/203,077.44
  6. Step 6: Final answer
    x = 79,972.56

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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.