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Finding the Fourth Proportional to 266,485.30, 367,754.25 and 159,034.48

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Solution

The fourth proportional to 266,485.30, 367,754.25 and 159,034.48 is: 219,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,485.30 : 367,754.25 = 159,034.48 : x
  2. Step 2: Convert to fraction form
    266,485.30/367,754.25 = 159,034.48/x
  3. Step 3: Cross multiply
    266,485.30x = 367,754.25 × 159,034.48
  4. Step 4: Simplify right side
    266,485.30x = 58,485,605,916.54
  5. Step 5: Solve for x
    x = 58,485,605,916.54/266,485.30
  6. Step 6: Final answer
    x = 219,470.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.