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Finding the Fourth Proportional to 172,731.44, 259,172.46 and 60,492.17

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Solution

The fourth proportional to 172,731.44, 259,172.46 and 60,492.17 is: 90,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,731.44 : 259,172.46 = 60,492.17 : x
  2. Step 2: Convert to fraction form
    172,731.44/259,172.46 = 60,492.17/x
  3. Step 3: Cross multiply
    172,731.44x = 259,172.46 × 60,492.17
  4. Step 4: Simplify right side
    172,731.44x = 15,677,905,157.57
  5. Step 5: Solve for x
    x = 15,677,905,157.57/172,731.44
  6. Step 6: Final answer
    x = 90,764.63

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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.