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Finding the Fourth Proportional to 68,604.45, 102,800.44 and 47,585.35

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Solution

The fourth proportional to 68,604.45, 102,800.44 and 47,585.35 is: 71,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,604.45 : 102,800.44 = 47,585.35 : x
  2. Step 2: Convert to fraction form
    68,604.45/102,800.44 = 47,585.35/x
  3. Step 3: Cross multiply
    68,604.45x = 102,800.44 × 47,585.35
  4. Step 4: Simplify right side
    68,604.45x = 4,891,794,917.55
  5. Step 5: Solve for x
    x = 4,891,794,917.55/68,604.45
  6. Step 6: Final answer
    x = 71,304.34

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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.