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Finding the Fourth Proportional to 270,248.63, 404,368.52 and 169,939.85

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Solution

The fourth proportional to 270,248.63, 404,368.52 and 169,939.85 is: 254,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,248.63 : 404,368.52 = 169,939.85 : x
  2. Step 2: Convert to fraction form
    270,248.63/404,368.52 = 169,939.85/x
  3. Step 3: Cross multiply
    270,248.63x = 404,368.52 × 169,939.85
  4. Step 4: Simplify right side
    270,248.63x = 68,718,322,761.98
  5. Step 5: Solve for x
    x = 68,718,322,761.98/270,248.63
  6. Step 6: Final answer
    x = 254,278.16

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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.