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Finding the Fourth Proportional to 266,093.20, 399,139.80 and 237,224.80

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Solution

The fourth proportional to 266,093.20, 399,139.80 and 237,224.80 is: 355,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,093.20 : 399,139.80 = 237,224.80 : x
  2. Step 2: Convert to fraction form
    266,093.20/399,139.80 = 237,224.80/x
  3. Step 3: Cross multiply
    266,093.20x = 399,139.80 × 237,224.80
  4. Step 4: Simplify right side
    266,093.20x = 94,685,859,227.04
  5. Step 5: Solve for x
    x = 94,685,859,227.04/266,093.20
  6. Step 6: Final answer
    x = 355,837.20

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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.