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Finding the Fourth Proportional to 202,277.20, 303,415.80 and 52,516.30

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Solution

The fourth proportional to 202,277.20, 303,415.80 and 52,516.30 is: 78,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,277.20 : 303,415.80 = 52,516.30 : x
  2. Step 2: Convert to fraction form
    202,277.20/303,415.80 = 52,516.30/x
  3. Step 3: Cross multiply
    202,277.20x = 303,415.80 × 52,516.30
  4. Step 4: Simplify right side
    202,277.20x = 15,934,275,177.54
  5. Step 5: Solve for x
    x = 15,934,275,177.54/202,277.20
  6. Step 6: Final answer
    x = 78,774.45

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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.