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Finding the Fourth Proportional to 80,340.66, 110,858.63 and 44,532.72

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Solution

The fourth proportional to 80,340.66, 110,858.63 and 44,532.72 is: 61,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,340.66 : 110,858.63 = 44,532.72 : x
  2. Step 2: Convert to fraction form
    80,340.66/110,858.63 = 44,532.72/x
  3. Step 3: Cross multiply
    80,340.66x = 110,858.63 × 44,532.72
  4. Step 4: Simplify right side
    80,340.66x = 4,936,836,106.71
  5. Step 5: Solve for x
    x = 4,936,836,106.71/80,340.66
  6. Step 6: Final answer
    x = 61,448.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.