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Finding the Fourth Proportional to 202,879.89, 304,347.48 and 84,523.50

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Solution

The fourth proportional to 202,879.89, 304,347.48 and 84,523.50 is: 126,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,879.89 : 304,347.48 = 84,523.50 : x
  2. Step 2: Convert to fraction form
    202,879.89/304,347.48 = 84,523.50/x
  3. Step 3: Cross multiply
    202,879.89x = 304,347.48 × 84,523.50
  4. Step 4: Simplify right side
    202,879.89x = 25,724,513,908.82
  5. Step 5: Solve for x
    x = 25,724,513,908.82/202,879.89
  6. Step 6: Final answer
    x = 126,796.77

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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.