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Finding the Fourth Proportional to 202,232.80, 303,458.55 and 83,916.10

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Solution

The fourth proportional to 202,232.80, 303,458.55 and 83,916.10 is: 125,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,232.80 : 303,458.55 = 83,916.10 : x
  2. Step 2: Convert to fraction form
    202,232.80/303,458.55 = 83,916.10/x
  3. Step 3: Cross multiply
    202,232.80x = 303,458.55 × 83,916.10
  4. Step 4: Simplify right side
    202,232.80x = 25,465,058,027.66
  5. Step 5: Solve for x
    x = 25,465,058,027.66/202,232.80
  6. Step 6: Final answer
    x = 125,919.52

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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.