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Finding the Fourth Proportional to 162,915.88, 244,364.81 and 44,578.73

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Solution

The fourth proportional to 162,915.88, 244,364.81 and 44,578.73 is: 66,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,915.88 : 244,364.81 = 44,578.73 : x
  2. Step 2: Convert to fraction form
    162,915.88/244,364.81 = 44,578.73/x
  3. Step 3: Cross multiply
    162,915.88x = 244,364.81 × 44,578.73
  4. Step 4: Simplify right side
    162,915.88x = 10,893,472,886.49
  5. Step 5: Solve for x
    x = 10,893,472,886.49/162,915.88
  6. Step 6: Final answer
    x = 66,865.63

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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.