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Finding the Fourth Proportional to 101,006.62, 139,389.42 and 60,743.44

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Solution

The fourth proportional to 101,006.62, 139,389.42 and 60,743.44 is: 83,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.62 : 139,389.42 = 60,743.44 : x
  2. Step 2: Convert to fraction form
    101,006.62/139,389.42 = 60,743.44/x
  3. Step 3: Cross multiply
    101,006.62x = 139,389.42 × 60,743.44
  4. Step 4: Simplify right side
    101,006.62x = 8,466,992,566.69
  5. Step 5: Solve for x
    x = 8,466,992,566.69/101,006.62
  6. Step 6: Final answer
    x = 83,826.12

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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.