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Finding the Fourth Proportional to 348,183.87, 522,288.19 and 111,495.80

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Solution

The fourth proportional to 348,183.87, 522,288.19 and 111,495.80 is: 167,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,183.87 : 522,288.19 = 111,495.80 : x
  2. Step 2: Convert to fraction form
    348,183.87/522,288.19 = 111,495.80/x
  3. Step 3: Cross multiply
    348,183.87x = 522,288.19 × 111,495.80
  4. Step 4: Simplify right side
    348,183.87x = 58,232,937,454.66
  5. Step 5: Solve for x
    x = 58,232,937,454.66/348,183.87
  6. Step 6: Final answer
    x = 167,247.66

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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.