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Finding the Fourth Proportional to 172,734.83, 259,049.93 and 60,394.11

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Solution

The fourth proportional to 172,734.83, 259,049.93 and 60,394.11 is: 90,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,734.83 : 259,049.93 = 60,394.11 : x
  2. Step 2: Convert to fraction form
    172,734.83/259,049.93 = 60,394.11/x
  3. Step 3: Cross multiply
    172,734.83x = 259,049.93 × 60,394.11
  4. Step 4: Simplify right side
    172,734.83x = 15,645,089,967.91
  5. Step 5: Solve for x
    x = 15,645,089,967.91/172,734.83
  6. Step 6: Final answer
    x = 90,572.87

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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.