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Finding the Fourth Proportional to 79,059.70, 109,098.93 and 43,250.41

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Solution

The fourth proportional to 79,059.70, 109,098.93 and 43,250.41 is: 59,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,059.70 : 109,098.93 = 43,250.41 : x
  2. Step 2: Convert to fraction form
    79,059.70/109,098.93 = 43,250.41/x
  3. Step 3: Cross multiply
    79,059.70x = 109,098.93 × 43,250.41
  4. Step 4: Simplify right side
    79,059.70x = 4,718,573,453.06
  5. Step 5: Solve for x
    x = 4,718,573,453.06/79,059.70
  6. Step 6: Final answer
    x = 59,683.68

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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.