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Finding the Fourth Proportional to 219,716.68, 303,197.16 and 124,217.68

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Solution

The fourth proportional to 219,716.68, 303,197.16 and 124,217.68 is: 171,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,716.68 : 303,197.16 = 124,217.68 : x
  2. Step 2: Convert to fraction form
    219,716.68/303,197.16 = 124,217.68/x
  3. Step 3: Cross multiply
    219,716.68x = 303,197.16 × 124,217.68
  4. Step 4: Simplify right side
    219,716.68x = 37,662,447,797.79
  5. Step 5: Solve for x
    x = 37,662,447,797.79/219,716.68
  6. Step 6: Final answer
    x = 171,413.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.