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Finding the Fourth Proportional to 351,099.38, 484,516.62 and 189,953.90

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Solution

The fourth proportional to 351,099.38, 484,516.62 and 189,953.90 is: 262,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,099.38 : 484,516.62 = 189,953.90 : x
  2. Step 2: Convert to fraction form
    351,099.38/484,516.62 = 189,953.90/x
  3. Step 3: Cross multiply
    351,099.38x = 484,516.62 × 189,953.90
  4. Step 4: Simplify right side
    351,099.38x = 92,035,821,583.82
  5. Step 5: Solve for x
    x = 92,035,821,583.82/351,099.38
  6. Step 6: Final answer
    x = 262,136.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.