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Finding the Fourth Proportional to 209,577.54, 314,269.81 and 67,396.53

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Solution

The fourth proportional to 209,577.54, 314,269.81 and 67,396.53 is: 101,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,577.54 : 314,269.81 = 67,396.53 : x
  2. Step 2: Convert to fraction form
    209,577.54/314,269.81 = 67,396.53/x
  3. Step 3: Cross multiply
    209,577.54x = 314,269.81 × 67,396.53
  4. Step 4: Simplify right side
    209,577.54x = 21,180,694,509.27
  5. Step 5: Solve for x
    x = 21,180,694,509.27/209,577.54
  6. Step 6: Final answer
    x = 101,063.76

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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.