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Finding the Fourth Proportional to 61,059.78, 84,269.97 and 37,189.92

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Solution

The fourth proportional to 61,059.78, 84,269.97 and 37,189.92 is: 51,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,059.78 : 84,269.97 = 37,189.92 : x
  2. Step 2: Convert to fraction form
    61,059.78/84,269.97 = 37,189.92/x
  3. Step 3: Cross multiply
    61,059.78x = 84,269.97 × 37,189.92
  4. Step 4: Simplify right side
    61,059.78x = 3,133,993,442.70
  5. Step 5: Solve for x
    x = 3,133,993,442.70/61,059.78
  6. Step 6: Final answer
    x = 51,326.64

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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.