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Finding the Fourth Proportional to 202,490.18, 303,731.17 and 52,727.15

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Solution

The fourth proportional to 202,490.18, 303,731.17 and 52,727.15 is: 79,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,490.18 : 303,731.17 = 52,727.15 : x
  2. Step 2: Convert to fraction form
    202,490.18/303,731.17 = 52,727.15/x
  3. Step 3: Cross multiply
    202,490.18x = 303,731.17 × 52,727.15
  4. Step 4: Simplify right side
    202,490.18x = 16,014,879,587.78
  5. Step 5: Solve for x
    x = 16,014,879,587.78/202,490.18
  6. Step 6: Final answer
    x = 79,089.66

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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.