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Finding the Fourth Proportional to 144,648.87, 216,993.83 and 44,816.91

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Solution

The fourth proportional to 144,648.87, 216,993.83 and 44,816.91 is: 67,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,648.87 : 216,993.83 = 44,816.91 : x
  2. Step 2: Convert to fraction form
    144,648.87/216,993.83 = 44,816.91/x
  3. Step 3: Cross multiply
    144,648.87x = 216,993.83 × 44,816.91
  4. Step 4: Simplify right side
    144,648.87x = 9,724,992,725.58
  5. Step 5: Solve for x
    x = 9,724,992,725.58/144,648.87
  6. Step 6: Final answer
    x = 67,231.72

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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.