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Finding the Fourth Proportional to 117,374.34, 176,063.34 and 28,629.54

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Solution

The fourth proportional to 117,374.34, 176,063.34 and 28,629.54 is: 42,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,374.34 : 176,063.34 = 28,629.54 : x
  2. Step 2: Convert to fraction form
    117,374.34/176,063.34 = 28,629.54/x
  3. Step 3: Cross multiply
    117,374.34x = 176,063.34 × 28,629.54
  4. Step 4: Simplify right side
    117,374.34x = 5,040,612,435.06
  5. Step 5: Solve for x
    x = 5,040,612,435.06/117,374.34
  6. Step 6: Final answer
    x = 42,944.76

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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.