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Finding the Fourth Proportional to 202,849.80, 304,274.70 and 55,105.80

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Solution

The fourth proportional to 202,849.80, 304,274.70 and 55,105.80 is: 82,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,849.80 : 304,274.70 = 55,105.80 : x
  2. Step 2: Convert to fraction form
    202,849.80/304,274.70 = 55,105.80/x
  3. Step 3: Cross multiply
    202,849.80x = 304,274.70 × 55,105.80
  4. Step 4: Simplify right side
    202,849.80x = 16,767,300,763.26
  5. Step 5: Solve for x
    x = 16,767,300,763.26/202,849.80
  6. Step 6: Final answer
    x = 82,658.70

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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.