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Finding the Fourth Proportional to 118,847.61, 178,341.49 and 44,020.31

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Solution

The fourth proportional to 118,847.61, 178,341.49 and 44,020.31 is: 66,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,847.61 : 178,341.49 = 44,020.31 : x
  2. Step 2: Convert to fraction form
    118,847.61/178,341.49 = 44,020.31/x
  3. Step 3: Cross multiply
    118,847.61x = 178,341.49 × 44,020.31
  4. Step 4: Simplify right side
    118,847.61x = 7,850,647,675.66
  5. Step 5: Solve for x
    x = 7,850,647,675.66/118,847.61
  6. Step 6: Final answer
    x = 66,056.42

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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.