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Finding the Fourth Proportional to 202,545.34, 303,620.54 and 80,929.62

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Solution

The fourth proportional to 202,545.34, 303,620.54 and 80,929.62 is: 121,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,545.34 : 303,620.54 = 80,929.62 : x
  2. Step 2: Convert to fraction form
    202,545.34/303,620.54 = 80,929.62/x
  3. Step 3: Cross multiply
    202,545.34x = 303,620.54 × 80,929.62
  4. Step 4: Simplify right side
    202,545.34x = 24,571,894,926.39
  5. Step 5: Solve for x
    x = 24,571,894,926.39/202,545.34
  6. Step 6: Final answer
    x = 121,315.53

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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.