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Finding the Fourth Proportional to 259,866, 389,799.02 and 62,874

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Solution

The fourth proportional to 259,866, 389,799.02 and 62,874 is: 94,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,866 : 389,799.02 = 62,874 : x
  2. Step 2: Convert to fraction form
    259,866/389,799.02 = 62,874/x
  3. Step 3: Cross multiply
    259,866x = 389,799.02 × 62,874
  4. Step 4: Simplify right side
    259,866x = 24,508,223,269.11
  5. Step 5: Solve for x
    x = 24,508,223,269.11/259,866
  6. Step 6: Final answer
    x = 94,311.00

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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.