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Finding the Fourth Proportional to 77,803.60, 116,694.48 and 44,415.36

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Solution

The fourth proportional to 77,803.60, 116,694.48 and 44,415.36 is: 66,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,803.60 : 116,694.48 = 44,415.36 : x
  2. Step 2: Convert to fraction form
    77,803.60/116,694.48 = 44,415.36/x
  3. Step 3: Cross multiply
    77,803.60x = 116,694.48 × 44,415.36
  4. Step 4: Simplify right side
    77,803.60x = 5,183,027,339.21
  5. Step 5: Solve for x
    x = 5,183,027,339.21/77,803.60
  6. Step 6: Final answer
    x = 66,616.81

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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.