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Finding the Fourth Proportional to 69,707.97, 104,421.62 and 32,216.41

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Solution

The fourth proportional to 69,707.97, 104,421.62 and 32,216.41 is: 48,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,707.97 : 104,421.62 = 32,216.41 : x
  2. Step 2: Convert to fraction form
    69,707.97/104,421.62 = 32,216.41/x
  3. Step 3: Cross multiply
    69,707.97x = 104,421.62 × 32,216.41
  4. Step 4: Simplify right side
    69,707.97x = 3,364,089,933.85
  5. Step 5: Solve for x
    x = 3,364,089,933.85/69,707.97
  6. Step 6: Final answer
    x = 48,259.76

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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.