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Finding the Fourth Proportional to 202,371.90, 303,557.85 and 163,005.90

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Solution

The fourth proportional to 202,371.90, 303,557.85 and 163,005.90 is: 244,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371.90 : 303,557.85 = 163,005.90 : x
  2. Step 2: Convert to fraction form
    202,371.90/303,557.85 = 163,005.90/x
  3. Step 3: Cross multiply
    202,371.90x = 303,557.85 × 163,005.90
  4. Step 4: Simplify right side
    202,371.90x = 49,481,720,541.32
  5. Step 5: Solve for x
    x = 49,481,720,541.32/202,371.90
  6. Step 6: Final answer
    x = 244,508.85

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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.