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Finding the Fourth Proportional to 206,945.50, 310,418.26 and 59,201.50

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Solution

The fourth proportional to 206,945.50, 310,418.26 and 59,201.50 is: 88,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,945.50 : 310,418.26 = 59,201.50 : x
  2. Step 2: Convert to fraction form
    206,945.50/310,418.26 = 59,201.50/x
  3. Step 3: Cross multiply
    206,945.50x = 310,418.26 × 59,201.50
  4. Step 4: Simplify right side
    206,945.50x = 18,377,226,619.39
  5. Step 5: Solve for x
    x = 18,377,226,619.39/206,945.50
  6. Step 6: Final answer
    x = 88,802.25

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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.