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Finding the Fourth Proportional to 202,502.10, 303,753.15 and 192,660.60

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Solution

The fourth proportional to 202,502.10, 303,753.15 and 192,660.60 is: 288,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,502.10 : 303,753.15 = 192,660.60 : x
  2. Step 2: Convert to fraction form
    202,502.10/303,753.15 = 192,660.60/x
  3. Step 3: Cross multiply
    202,502.10x = 303,753.15 × 192,660.60
  4. Step 4: Simplify right side
    202,502.10x = 58,521,264,130.89
  5. Step 5: Solve for x
    x = 58,521,264,130.89/202,502.10
  6. Step 6: Final answer
    x = 288,990.90

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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.