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Finding the Fourth Proportional to 73,362.05, 110,074.66 and 39,621.29

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Solution

The fourth proportional to 73,362.05, 110,074.66 and 39,621.29 is: 59,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,362.05 : 110,074.66 = 39,621.29 : x
  2. Step 2: Convert to fraction form
    73,362.05/110,074.66 = 39,621.29/x
  3. Step 3: Cross multiply
    73,362.05x = 110,074.66 × 39,621.29
  4. Step 4: Simplify right side
    73,362.05x = 4,361,300,201.64
  5. Step 5: Solve for x
    x = 4,361,300,201.64/73,362.05
  6. Step 6: Final answer
    x = 59,449.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.