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Finding the Fourth Proportional to 162,968.76, 244,453.14 and 44,640.72

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Solution

The fourth proportional to 162,968.76, 244,453.14 and 44,640.72 is: 66,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,968.76 : 244,453.14 = 44,640.72 : x
  2. Step 2: Convert to fraction form
    162,968.76/244,453.14 = 44,640.72/x
  3. Step 3: Cross multiply
    162,968.76x = 244,453.14 × 44,640.72
  4. Step 4: Simplify right side
    162,968.76x = 10,912,564,175.86
  5. Step 5: Solve for x
    x = 10,912,564,175.86/162,968.76
  6. Step 6: Final answer
    x = 66,961.08

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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.