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Finding the Fourth Proportional to 202,239.60, 303,942.60 and 176,578.80

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Solution

The fourth proportional to 202,239.60, 303,942.60 and 176,578.80 is: 265,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,239.60 : 303,942.60 = 176,578.80 : x
  2. Step 2: Convert to fraction form
    202,239.60/303,942.60 = 176,578.80/x
  3. Step 3: Cross multiply
    202,239.60x = 303,942.60 × 176,578.80
  4. Step 4: Simplify right side
    202,239.60x = 53,669,819,576.88
  5. Step 5: Solve for x
    x = 53,669,819,576.88/202,239.60
  6. Step 6: Final answer
    x = 265,377.40

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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.