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Finding the Fourth Proportional to 202,299.80, 303,340.35 and 83,983.10

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Solution

The fourth proportional to 202,299.80, 303,340.35 and 83,983.10 is: 125,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,299.80 : 303,340.35 = 83,983.10 : x
  2. Step 2: Convert to fraction form
    202,299.80/303,340.35 = 83,983.10/x
  3. Step 3: Cross multiply
    202,299.80x = 303,340.35 × 83,983.10
  4. Step 4: Simplify right side
    202,299.80x = 25,475,462,948.09
  5. Step 5: Solve for x
    x = 25,475,462,948.09/202,299.80
  6. Step 6: Final answer
    x = 125,929.25

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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.