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Finding the Fourth Proportional to 75,105.14, 103,638.06 and 44,884.46

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Solution

The fourth proportional to 75,105.14, 103,638.06 and 44,884.46 is: 61,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.14 : 103,638.06 = 44,884.46 : x
  2. Step 2: Convert to fraction form
    75,105.14/103,638.06 = 44,884.46/x
  3. Step 3: Cross multiply
    75,105.14x = 103,638.06 × 44,884.46
  4. Step 4: Simplify right side
    75,105.14x = 4,651,738,358.55
  5. Step 5: Solve for x
    x = 4,651,738,358.55/75,105.14
  6. Step 6: Final answer
    x = 61,936.35

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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.