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Finding the Fourth Proportional to 96,698.91, 144,948.58 and 40,571.61

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Solution

The fourth proportional to 96,698.91, 144,948.58 and 40,571.61 is: 60,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,698.91 : 144,948.58 = 40,571.61 : x
  2. Step 2: Convert to fraction form
    96,698.91/144,948.58 = 40,571.61/x
  3. Step 3: Cross multiply
    96,698.91x = 144,948.58 × 40,571.61
  4. Step 4: Simplify right side
    96,698.91x = 5,880,797,257.81
  5. Step 5: Solve for x
    x = 5,880,797,257.81/96,698.91
  6. Step 6: Final answer
    x = 60,815.55

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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.