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Finding the Fourth Proportional to 363,858.66, 545,787.99 and 111,128.94

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Solution

The fourth proportional to 363,858.66, 545,787.99 and 111,128.94 is: 166,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,858.66 : 545,787.99 = 111,128.94 : x
  2. Step 2: Convert to fraction form
    363,858.66/545,787.99 = 111,128.94/x
  3. Step 3: Cross multiply
    363,858.66x = 545,787.99 × 111,128.94
  4. Step 4: Simplify right side
    363,858.66x = 60,652,840,793.43
  5. Step 5: Solve for x
    x = 60,652,840,793.43/363,858.66
  6. Step 6: Final answer
    x = 166,693.41

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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.