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Finding the Fourth Proportional to 202,578.32, 303,672.72 and 136,037

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Solution

The fourth proportional to 202,578.32, 303,672.72 and 136,037 is: 203,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,578.32 : 303,672.72 = 136,037 : x
  2. Step 2: Convert to fraction form
    202,578.32/303,672.72 = 136,037/x
  3. Step 3: Cross multiply
    202,578.32x = 303,672.72 × 136,037
  4. Step 4: Simplify right side
    202,578.32x = 41,310,725,810.64
  5. Step 5: Solve for x
    x = 41,310,725,810.64/202,578.32
  6. Step 6: Final answer
    x = 203,924.71

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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.