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Finding the Fourth Proportional to 69,722.64, 104,325.57 and 41,657.96

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Solution

The fourth proportional to 69,722.64, 104,325.57 and 41,657.96 is: 62,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.64 : 104,325.57 = 41,657.96 : x
  2. Step 2: Convert to fraction form
    69,722.64/104,325.57 = 41,657.96/x
  3. Step 3: Cross multiply
    69,722.64x = 104,325.57 × 41,657.96
  4. Step 4: Simplify right side
    69,722.64x = 4,345,990,682.85
  5. Step 5: Solve for x
    x = 4,345,990,682.85/69,722.64
  6. Step 6: Final answer
    x = 62,332.56

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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.