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Finding the Fourth Proportional to 67,719.03, 101,594.94 and 20,334.03

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Solution

The fourth proportional to 67,719.03, 101,594.94 and 20,334.03 is: 30,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.03 : 101,594.94 = 20,334.03 : x
  2. Step 2: Convert to fraction form
    67,719.03/101,594.94 = 20,334.03/x
  3. Step 3: Cross multiply
    67,719.03x = 101,594.94 × 20,334.03
  4. Step 4: Simplify right side
    67,719.03x = 2,065,834,557.81
  5. Step 5: Solve for x
    x = 2,065,834,557.81/67,719.03
  6. Step 6: Final answer
    x = 30,505.97

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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.