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Finding the Fourth Proportional to 205,017.96, 307,571.49 and 62,863.77

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Solution

The fourth proportional to 205,017.96, 307,571.49 and 62,863.77 is: 94,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,017.96 : 307,571.49 = 62,863.77 : x
  2. Step 2: Convert to fraction form
    205,017.96/307,571.49 = 62,863.77/x
  3. Step 3: Cross multiply
    205,017.96x = 307,571.49 × 62,863.77
  4. Step 4: Simplify right side
    205,017.96x = 19,335,103,405.92
  5. Step 5: Solve for x
    x = 19,335,103,405.92/205,017.96
  6. Step 6: Final answer
    x = 94,309.32

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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.