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Finding the Fourth Proportional to 173,166.08, 259,749.09 and 87,763.64

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Solution

The fourth proportional to 173,166.08, 259,749.09 and 87,763.64 is: 131,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.08 : 259,749.09 = 87,763.64 : x
  2. Step 2: Convert to fraction form
    173,166.08/259,749.09 = 87,763.64/x
  3. Step 3: Cross multiply
    173,166.08x = 259,749.09 × 87,763.64
  4. Step 4: Simplify right side
    173,166.08x = 22,796,524,326.34
  5. Step 5: Solve for x
    x = 22,796,524,326.34/173,166.08
  6. Step 6: Final answer
    x = 131,645.44

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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.