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Finding the Fourth Proportional to 77,604.30, 116,384.58 and 33,279.28

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Solution

The fourth proportional to 77,604.30, 116,384.58 and 33,279.28 is: 49,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,604.30 : 116,384.58 = 33,279.28 : x
  2. Step 2: Convert to fraction form
    77,604.30/116,384.58 = 33,279.28/x
  3. Step 3: Cross multiply
    77,604.30x = 116,384.58 × 33,279.28
  4. Step 4: Simplify right side
    77,604.30x = 3,873,194,734.54
  5. Step 5: Solve for x
    x = 3,873,194,734.54/77,604.30
  6. Step 6: Final answer
    x = 49,909.54

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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.