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Finding the Fourth Proportional to 73,059.72, 100,822.34 and 41,235.40

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Solution

The fourth proportional to 73,059.72, 100,822.34 and 41,235.40 is: 56,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.72 : 100,822.34 = 41,235.40 : x
  2. Step 2: Convert to fraction form
    73,059.72/100,822.34 = 41,235.40/x
  3. Step 3: Cross multiply
    73,059.72x = 100,822.34 × 41,235.40
  4. Step 4: Simplify right side
    73,059.72x = 4,157,449,518.84
  5. Step 5: Solve for x
    x = 4,157,449,518.84/73,059.72
  6. Step 6: Final answer
    x = 56,904.81

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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.