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Finding the Fourth Proportional to 114,872.96, 172,244.64 and 44,671.88

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Solution

The fourth proportional to 114,872.96, 172,244.64 and 44,671.88 is: 66,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,872.96 : 172,244.64 = 44,671.88 : x
  2. Step 2: Convert to fraction form
    114,872.96/172,244.64 = 44,671.88/x
  3. Step 3: Cross multiply
    114,872.96x = 172,244.64 × 44,671.88
  4. Step 4: Simplify right side
    114,872.96x = 7,694,491,888.72
  5. Step 5: Solve for x
    x = 7,694,491,888.72/114,872.96
  6. Step 6: Final answer
    x = 66,982.62

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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.