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Finding the Fourth Proportional to 202,169.31, 303,312.29 and 61,948.59

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Solution

The fourth proportional to 202,169.31, 303,312.29 and 61,948.59 is: 92,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,169.31 : 303,312.29 = 61,948.59 : x
  2. Step 2: Convert to fraction form
    202,169.31/303,312.29 = 61,948.59/x
  3. Step 3: Cross multiply
    202,169.31x = 303,312.29 × 61,948.59
  4. Step 4: Simplify right side
    202,169.31x = 18,789,768,385.43
  5. Step 5: Solve for x
    x = 18,789,768,385.43/202,169.31
  6. Step 6: Final answer
    x = 92,940.76

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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.