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Finding the Fourth Proportional to 172,893.50, 259,442.34 and 73,047.26

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Solution

The fourth proportional to 172,893.50, 259,442.34 and 73,047.26 is: 109,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,893.50 : 259,442.34 = 73,047.26 : x
  2. Step 2: Convert to fraction form
    172,893.50/259,442.34 = 73,047.26/x
  3. Step 3: Cross multiply
    172,893.50x = 259,442.34 × 73,047.26
  4. Step 4: Simplify right side
    172,893.50x = 18,951,552,064.99
  5. Step 5: Solve for x
    x = 18,951,552,064.99/172,893.50
  6. Step 6: Final answer
    x = 109,614.02

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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.