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Finding the Fourth Proportional to 73,351.76, 110,041.74 and 31,231.04

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Solution

The fourth proportional to 73,351.76, 110,041.74 and 31,231.04 is: 46,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,351.76 : 110,041.74 = 31,231.04 : x
  2. Step 2: Convert to fraction form
    73,351.76/110,041.74 = 31,231.04/x
  3. Step 3: Cross multiply
    73,351.76x = 110,041.74 × 31,231.04
  4. Step 4: Simplify right side
    73,351.76x = 3,436,717,433.40
  5. Step 5: Solve for x
    x = 3,436,717,433.40/73,351.76
  6. Step 6: Final answer
    x = 46,852.56

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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.