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Finding the Fourth Proportional to 186,604.02, 279,879.84 and 53,495.64

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Solution

The fourth proportional to 186,604.02, 279,879.84 and 53,495.64 is: 80,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,604.02 : 279,879.84 = 53,495.64 : x
  2. Step 2: Convert to fraction form
    186,604.02/279,879.84 = 53,495.64/x
  3. Step 3: Cross multiply
    186,604.02x = 279,879.84 × 53,495.64
  4. Step 4: Simplify right side
    186,604.02x = 14,972,351,163.90
  5. Step 5: Solve for x
    x = 14,972,351,163.90/186,604.02
  6. Step 6: Final answer
    x = 80,235.95

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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.