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Finding the Fourth Proportional to 69,417.78, 104,126.33 and 16,827.27

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Solution

The fourth proportional to 69,417.78, 104,126.33 and 16,827.27 is: 25,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,417.78 : 104,126.33 = 16,827.27 : x
  2. Step 2: Convert to fraction form
    69,417.78/104,126.33 = 16,827.27/x
  3. Step 3: Cross multiply
    69,417.78x = 104,126.33 × 16,827.27
  4. Step 4: Simplify right side
    69,417.78x = 1,752,161,869.02
  5. Step 5: Solve for x
    x = 1,752,161,869.02/69,417.78
  6. Step 6: Final answer
    x = 25,240.82

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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.