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Finding the Fourth Proportional to 173,251.77, 259,443.90 and 109,879.80

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Solution

The fourth proportional to 173,251.77, 259,443.90 and 109,879.80 is: 164,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,251.77 : 259,443.90 = 109,879.80 : x
  2. Step 2: Convert to fraction form
    173,251.77/259,443.90 = 109,879.80/x
  3. Step 3: Cross multiply
    173,251.77x = 259,443.90 × 109,879.80
  4. Step 4: Simplify right side
    173,251.77x = 28,507,643,843.22
  5. Step 5: Solve for x
    x = 28,507,643,843.22/173,251.77
  6. Step 6: Final answer
    x = 164,544.60

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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.