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Finding the Fourth Proportional to 202,360, 303,540 and 54,616

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Solution

The fourth proportional to 202,360, 303,540 and 54,616 is: 81,924

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,360 : 303,540 = 54,616 : x
  2. Step 2: Convert to fraction form
    202,360/303,540 = 54,616/x
  3. Step 3: Cross multiply
    202,360x = 303,540 × 54,616
  4. Step 4: Simplify right side
    202,360x = 16,578,140,640
  5. Step 5: Solve for x
    x = 16,578,140,640/202,360
  6. Step 6: Final answer
    x = 81,924

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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.