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Finding the Fourth Proportional to 269,873.64, 404,649.18 and 92,321.64

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Solution

The fourth proportional to 269,873.64, 404,649.18 and 92,321.64 is: 138,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,873.64 : 404,649.18 = 92,321.64 : x
  2. Step 2: Convert to fraction form
    269,873.64/404,649.18 = 92,321.64/x
  3. Step 3: Cross multiply
    269,873.64x = 404,649.18 × 92,321.64
  4. Step 4: Simplify right side
    269,873.64x = 37,357,875,922.26
  5. Step 5: Solve for x
    x = 37,357,875,922.26/269,873.64
  6. Step 6: Final answer
    x = 138,427.29

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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.