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Finding the Fourth Proportional to 73,245.76, 101,078.60 and 41,415.79

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Solution

The fourth proportional to 73,245.76, 101,078.60 and 41,415.79 is: 57,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.76 : 101,078.60 = 41,415.79 : x
  2. Step 2: Convert to fraction form
    73,245.76/101,078.60 = 41,415.79/x
  3. Step 3: Cross multiply
    73,245.76x = 101,078.60 × 41,415.79
  4. Step 4: Simplify right side
    73,245.76x = 4,186,250,071.09
  5. Step 5: Solve for x
    x = 4,186,250,071.09/73,245.76
  6. Step 6: Final answer
    x = 57,153.48

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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.