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Finding the Fourth Proportional to 202,203.90, 303,305.85 and 162,837.90

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Solution

The fourth proportional to 202,203.90, 303,305.85 and 162,837.90 is: 244,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,203.90 : 303,305.85 = 162,837.90 : x
  2. Step 2: Convert to fraction form
    202,203.90/303,305.85 = 162,837.90/x
  3. Step 3: Cross multiply
    202,203.90x = 303,305.85 × 162,837.90
  4. Step 4: Simplify right side
    202,203.90x = 49,389,687,671.72
  5. Step 5: Solve for x
    x = 49,389,687,671.72/202,203.90
  6. Step 6: Final answer
    x = 244,256.85

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1.5x scale

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.