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Finding the Fourth Proportional to 149,728, 224,629.08 and 44,546.64

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Solution

The fourth proportional to 149,728, 224,629.08 and 44,546.64 is: 66,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,728 : 224,629.08 = 44,546.64 : x
  2. Step 2: Convert to fraction form
    149,728/224,629.08 = 44,546.64/x
  3. Step 3: Cross multiply
    149,728x = 224,629.08 × 44,546.64
  4. Step 4: Simplify right side
    149,728x = 10,006,470,760.29
  5. Step 5: Solve for x
    x = 10,006,470,760.29/149,728
  6. Step 6: Final answer
    x = 66,830.99

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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.