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Finding the Fourth Proportional to 117,809.44, 176,676.72 and 38,908.96

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Solution

The fourth proportional to 117,809.44, 176,676.72 and 38,908.96 is: 58,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.44 : 176,676.72 = 38,908.96 : x
  2. Step 2: Convert to fraction form
    117,809.44/176,676.72 = 38,908.96/x
  3. Step 3: Cross multiply
    117,809.44x = 176,676.72 × 38,908.96
  4. Step 4: Simplify right side
    117,809.44x = 6,874,307,431.41
  5. Step 5: Solve for x
    x = 6,874,307,431.41/117,809.44
  6. Step 6: Final answer
    x = 58,351.07

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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.