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Finding the Fourth Proportional to 254,872.36, 351,683.94 and 147,433.96

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Solution

The fourth proportional to 254,872.36, 351,683.94 and 147,433.96 is: 203,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,872.36 : 351,683.94 = 147,433.96 : x
  2. Step 2: Convert to fraction form
    254,872.36/351,683.94 = 147,433.96/x
  3. Step 3: Cross multiply
    254,872.36x = 351,683.94 × 147,433.96
  4. Step 4: Simplify right side
    254,872.36x = 51,850,155,942.60
  5. Step 5: Solve for x
    x = 51,850,155,942.60/254,872.36
  6. Step 6: Final answer
    x = 203,435.77

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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.