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Finding the Fourth Proportional to 156,592.87, 234,774.27 and 49,915.44

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Solution

The fourth proportional to 156,592.87, 234,774.27 and 49,915.44 is: 74,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,592.87 : 234,774.27 = 49,915.44 : x
  2. Step 2: Convert to fraction form
    156,592.87/234,774.27 = 49,915.44/x
  3. Step 3: Cross multiply
    156,592.87x = 234,774.27 × 49,915.44
  4. Step 4: Simplify right side
    156,592.87x = 11,718,860,987.73
  5. Step 5: Solve for x
    x = 11,718,860,987.73/156,592.87
  6. Step 6: Final answer
    x = 74,836.49

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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.