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Finding the Fourth Proportional to 73,112.97, 100,904.36 and 44,434.11

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Solution

The fourth proportional to 73,112.97, 100,904.36 and 44,434.11 is: 61,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,112.97 : 100,904.36 = 44,434.11 : x
  2. Step 2: Convert to fraction form
    73,112.97/100,904.36 = 44,434.11/x
  3. Step 3: Cross multiply
    73,112.97x = 100,904.36 × 44,434.11
  4. Step 4: Simplify right side
    73,112.97x = 4,483,595,209.55
  5. Step 5: Solve for x
    x = 4,483,595,209.55/73,112.97
  6. Step 6: Final answer
    x = 61,324.21

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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.