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Finding the Fourth Proportional to 173,096.80, 259,645.20 and 113,999.20

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Solution

The fourth proportional to 173,096.80, 259,645.20 and 113,999.20 is: 170,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,096.80 : 259,645.20 = 113,999.20 : x
  2. Step 2: Convert to fraction form
    173,096.80/259,645.20 = 113,999.20/x
  3. Step 3: Cross multiply
    173,096.80x = 259,645.20 × 113,999.20
  4. Step 4: Simplify right side
    173,096.80x = 29,599,345,083.84
  5. Step 5: Solve for x
    x = 29,599,345,083.84/173,096.80
  6. Step 6: Final answer
    x = 170,998.80

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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.