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Finding the Fourth Proportional to 123,896.69, 185,873.68 and 43,930.41

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Solution

The fourth proportional to 123,896.69, 185,873.68 and 43,930.41 is: 65,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,896.69 : 185,873.68 = 43,930.41 : x
  2. Step 2: Convert to fraction form
    123,896.69/185,873.68 = 43,930.41/x
  3. Step 3: Cross multiply
    123,896.69x = 185,873.68 × 43,930.41
  4. Step 4: Simplify right side
    123,896.69x = 8,165,506,970.61
  5. Step 5: Solve for x
    x = 8,165,506,970.61/123,896.69
  6. Step 6: Final answer
    x = 65,905.77

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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.