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Finding the Fourth Proportional to 173,321.37, 259,809.82 and 120,620.14

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Solution

The fourth proportional to 173,321.37, 259,809.82 and 120,620.14 is: 180,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,321.37 : 259,809.82 = 120,620.14 : x
  2. Step 2: Convert to fraction form
    173,321.37/259,809.82 = 120,620.14/x
  3. Step 3: Cross multiply
    173,321.37x = 259,809.82 × 120,620.14
  4. Step 4: Simplify right side
    173,321.37x = 31,338,296,861.77
  5. Step 5: Solve for x
    x = 31,338,296,861.77/173,321.37
  6. Step 6: Final answer
    x = 180,810.35

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1.5x scale

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.