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Finding the Fourth Proportional to 117,608.94, 176,431.50 and 38,704.68

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Solution

The fourth proportional to 117,608.94, 176,431.50 and 38,704.68 is: 58,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,608.94 : 176,431.50 = 38,704.68 : x
  2. Step 2: Convert to fraction form
    117,608.94/176,431.50 = 38,704.68/x
  3. Step 3: Cross multiply
    117,608.94x = 176,431.50 × 38,704.68
  4. Step 4: Simplify right side
    117,608.94x = 6,828,724,749.42
  5. Step 5: Solve for x
    x = 6,828,724,749.42/117,608.94
  6. Step 6: Final answer
    x = 58,062.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.