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Finding the Fourth Proportional to 173,003.88, 259,608.30 and 73,158.60

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Solution

The fourth proportional to 173,003.88, 259,608.30 and 73,158.60 is: 109,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,003.88 : 259,608.30 = 73,158.60 : x
  2. Step 2: Convert to fraction form
    173,003.88/259,608.30 = 73,158.60/x
  3. Step 3: Cross multiply
    173,003.88x = 259,608.30 × 73,158.60
  4. Step 4: Simplify right side
    173,003.88x = 18,992,579,776.38
  5. Step 5: Solve for x
    x = 18,992,579,776.38/173,003.88
  6. Step 6: Final answer
    x = 109,781.24

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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.