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Finding the Fourth Proportional to 180,333.87, 248,879.24 and 103,855.83

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Solution

The fourth proportional to 180,333.87, 248,879.24 and 103,855.83 is: 143,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,333.87 : 248,879.24 = 103,855.83 : x
  2. Step 2: Convert to fraction form
    180,333.87/248,879.24 = 103,855.83/x
  3. Step 3: Cross multiply
    180,333.87x = 248,879.24 × 103,855.83
  4. Step 4: Simplify right side
    180,333.87x = 25,847,559,520.69
  5. Step 5: Solve for x
    x = 25,847,559,520.69/180,333.87
  6. Step 6: Final answer
    x = 143,331.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.