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Finding the Fourth Proportional to 77,841, 116,768.79 and 25,236.36

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Solution

The fourth proportional to 77,841, 116,768.79 and 25,236.36 is: 37,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841 : 116,768.79 = 25,236.36 : x
  2. Step 2: Convert to fraction form
    77,841/116,768.79 = 25,236.36/x
  3. Step 3: Cross multiply
    77,841x = 116,768.79 × 25,236.36
  4. Step 4: Simplify right side
    77,841x = 2,946,819,221.20
  5. Step 5: Solve for x
    x = 2,946,819,221.20/77,841
  6. Step 6: Final answer
    x = 37,856.90

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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.