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Finding the Fourth Proportional to 139,182.76, 208,676.94 and 44,381.44

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Solution

The fourth proportional to 139,182.76, 208,676.94 and 44,381.44 is: 66,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,182.76 : 208,676.94 = 44,381.44 : x
  2. Step 2: Convert to fraction form
    139,182.76/208,676.94 = 44,381.44/x
  3. Step 3: Cross multiply
    139,182.76x = 208,676.94 × 44,381.44
  4. Step 4: Simplify right side
    139,182.76x = 9,261,383,091.99
  5. Step 5: Solve for x
    x = 9,261,383,091.99/139,182.76
  6. Step 6: Final answer
    x = 66,541.17

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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.