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Finding the Fourth Proportional to 202,086.88, 303,174.72 and 61,856.32

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Solution

The fourth proportional to 202,086.88, 303,174.72 and 61,856.32 is: 92,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,086.88 : 303,174.72 = 61,856.32 : x
  2. Step 2: Convert to fraction form
    202,086.88/303,174.72 = 61,856.32/x
  3. Step 3: Cross multiply
    202,086.88x = 303,174.72 × 61,856.32
  4. Step 4: Simplify right side
    202,086.88x = 18,753,272,496.23
  5. Step 5: Solve for x
    x = 18,753,272,496.23/202,086.88
  6. Step 6: Final answer
    x = 92,798.07

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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.