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Finding the Fourth Proportional to 202,632.10, 303,965.43 and 52,892.26

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Solution

The fourth proportional to 202,632.10, 303,965.43 and 52,892.26 is: 79,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,632.10 : 303,965.43 = 52,892.26 : x
  2. Step 2: Convert to fraction form
    202,632.10/303,965.43 = 52,892.26/x
  3. Step 3: Cross multiply
    202,632.10x = 303,965.43 × 52,892.26
  4. Step 4: Simplify right side
    202,632.10x = 16,077,418,554.57
  5. Step 5: Solve for x
    x = 16,077,418,554.57/202,632.10
  6. Step 6: Final answer
    x = 79,342.90

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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.