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Finding the Fourth Proportional to 144,698.10, 217,055.36 and 44,872.49

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Solution

The fourth proportional to 144,698.10, 217,055.36 and 44,872.49 is: 67,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,698.10 : 217,055.36 = 44,872.49 : x
  2. Step 2: Convert to fraction form
    144,698.10/217,055.36 = 44,872.49/x
  3. Step 3: Cross multiply
    144,698.10x = 217,055.36 × 44,872.49
  4. Step 4: Simplify right side
    144,698.10x = 9,739,813,568.39
  5. Step 5: Solve for x
    x = 9,739,813,568.39/144,698.10
  6. Step 6: Final answer
    x = 67,311.27

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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.