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Finding the Fourth Proportional to 118,611.38, 177,916.04 and 48,441.44

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Solution

The fourth proportional to 118,611.38, 177,916.04 and 48,441.44 is: 72,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.38 : 177,916.04 = 48,441.44 : x
  2. Step 2: Convert to fraction form
    118,611.38/177,916.04 = 48,441.44/x
  3. Step 3: Cross multiply
    118,611.38x = 177,916.04 × 48,441.44
  4. Step 4: Simplify right side
    118,611.38x = 8,618,509,176.70
  5. Step 5: Solve for x
    x = 8,618,509,176.70/118,611.38
  6. Step 6: Final answer
    x = 72,661.74

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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.