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Finding the Fourth Proportional to 202,543.33, 303,617.53 and 80,927.62

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Solution

The fourth proportional to 202,543.33, 303,617.53 and 80,927.62 is: 121,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,543.33 : 303,617.53 = 80,927.62 : x
  2. Step 2: Convert to fraction form
    202,543.33/303,617.53 = 80,927.62/x
  3. Step 3: Cross multiply
    202,543.33x = 303,617.53 × 80,927.62
  4. Step 4: Simplify right side
    202,543.33x = 24,571,044,093.18
  5. Step 5: Solve for x
    x = 24,571,044,093.18/202,543.33
  6. Step 6: Final answer
    x = 121,312.53

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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.