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Finding the Fourth Proportional to 202,576.32, 303,669.72 and 136,035

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Solution

The fourth proportional to 202,576.32, 303,669.72 and 136,035 is: 203,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,576.32 : 303,669.72 = 136,035 : x
  2. Step 2: Convert to fraction form
    202,576.32/303,669.72 = 136,035/x
  3. Step 3: Cross multiply
    202,576.32x = 303,669.72 × 136,035
  4. Step 4: Simplify right side
    202,576.32x = 41,309,710,360.20
  5. Step 5: Solve for x
    x = 41,309,710,360.20/202,576.32
  6. Step 6: Final answer
    x = 203,921.71

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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.