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Finding the Fourth Proportional to 172,902.30, 259,469.97 and 60,583.55

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Solution

The fourth proportional to 172,902.30, 259,469.97 and 60,583.55 is: 90,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,902.30 : 259,469.97 = 60,583.55 : x
  2. Step 2: Convert to fraction form
    172,902.30/259,469.97 = 60,583.55/x
  3. Step 3: Cross multiply
    172,902.30x = 259,469.97 × 60,583.55
  4. Step 4: Simplify right side
    172,902.30x = 15,719,610,376.46
  5. Step 5: Solve for x
    x = 15,719,610,376.46/172,902.30
  6. Step 6: Final answer
    x = 90,916.15

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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.