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Finding the Fourth Proportional to 245,843.67, 339,184.98 and 149,086.29

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Solution

The fourth proportional to 245,843.67, 339,184.98 and 149,086.29 is: 205,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,843.67 : 339,184.98 = 149,086.29 : x
  2. Step 2: Convert to fraction form
    245,843.67/339,184.98 = 149,086.29/x
  3. Step 3: Cross multiply
    245,843.67x = 339,184.98 × 149,086.29
  4. Step 4: Simplify right side
    245,843.67x = 50,567,830,291.92
  5. Step 5: Solve for x
    x = 50,567,830,291.92/245,843.67
  6. Step 6: Final answer
    x = 205,691.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.