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Finding the Fourth Proportional to 76,078.72, 114,145.06 and 33,954.96

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Solution

The fourth proportional to 76,078.72, 114,145.06 and 33,954.96 is: 50,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078.72 : 114,145.06 = 33,954.96 : x
  2. Step 2: Convert to fraction form
    76,078.72/114,145.06 = 33,954.96/x
  3. Step 3: Cross multiply
    76,078.72x = 114,145.06 × 33,954.96
  4. Step 4: Simplify right side
    76,078.72x = 3,875,790,946.50
  5. Step 5: Solve for x
    x = 3,875,790,946.50/76,078.72
  6. Step 6: Final answer
    x = 50,944.48

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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.