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Finding the Fourth Proportional to 73,122.22, 100,917.12 and 44,443.36

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Solution

The fourth proportional to 73,122.22, 100,917.12 and 44,443.36 is: 61,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.22 : 100,917.12 = 44,443.36 : x
  2. Step 2: Convert to fraction form
    73,122.22/100,917.12 = 44,443.36/x
  3. Step 3: Cross multiply
    73,122.22x = 100,917.12 × 44,443.36
  4. Step 4: Simplify right side
    73,122.22x = 4,485,095,894.32
  5. Step 5: Solve for x
    x = 4,485,095,894.32/73,122.22
  6. Step 6: Final answer
    x = 61,336.98

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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.