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Finding the Fourth Proportional to 178,884.94, 268,336.58 and 45,766.34

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Solution

The fourth proportional to 178,884.94, 268,336.58 and 45,766.34 is: 68,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,884.94 : 268,336.58 = 45,766.34 : x
  2. Step 2: Convert to fraction form
    178,884.94/268,336.58 = 45,766.34/x
  3. Step 3: Cross multiply
    178,884.94x = 268,336.58 × 45,766.34
  4. Step 4: Simplify right side
    178,884.94x = 12,280,783,154.72
  5. Step 5: Solve for x
    x = 12,280,783,154.72/178,884.94
  6. Step 6: Final answer
    x = 68,651.86

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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.