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Finding the Fourth Proportional to 269,646.96, 404,541.72 and 92,153.28

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Solution

The fourth proportional to 269,646.96, 404,541.72 and 92,153.28 is: 138,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,646.96 : 404,541.72 = 92,153.28 : x
  2. Step 2: Convert to fraction form
    269,646.96/404,541.72 = 92,153.28/x
  3. Step 3: Cross multiply
    269,646.96x = 404,541.72 × 92,153.28
  4. Step 4: Simplify right side
    269,646.96x = 37,279,846,394.84
  5. Step 5: Solve for x
    x = 37,279,846,394.84/269,646.96
  6. Step 6: Final answer
    x = 138,254.28

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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.