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Finding the Fourth Proportional to 73,811.50, 101,856.94 and 43,606.55

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Solution

The fourth proportional to 73,811.50, 101,856.94 and 43,606.55 is: 60,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811.50 : 101,856.94 = 43,606.55 : x
  2. Step 2: Convert to fraction form
    73,811.50/101,856.94 = 43,606.55/x
  3. Step 3: Cross multiply
    73,811.50x = 101,856.94 × 43,606.55
  4. Step 4: Simplify right side
    73,811.50x = 4,441,630,137.87
  5. Step 5: Solve for x
    x = 4,441,630,137.87/73,811.50
  6. Step 6: Final answer
    x = 60,175.31

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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.