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Finding the Fourth Proportional to 172,614.61, 258,922.60 and 60,294.40

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Solution

The fourth proportional to 172,614.61, 258,922.60 and 60,294.40 is: 90,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,614.61 : 258,922.60 = 60,294.40 : x
  2. Step 2: Convert to fraction form
    172,614.61/258,922.60 = 60,294.40/x
  3. Step 3: Cross multiply
    172,614.61x = 258,922.60 × 60,294.40
  4. Step 4: Simplify right side
    172,614.61x = 15,611,582,813.44
  5. Step 5: Solve for x
    x = 15,611,582,813.44/172,614.61
  6. Step 6: Final answer
    x = 90,441.84

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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.