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Finding the Fourth Proportional to 193,205.60, 289,822.80 and 68,530.40

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Solution

The fourth proportional to 193,205.60, 289,822.80 and 68,530.40 is: 102,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,205.60 : 289,822.80 = 68,530.40 : x
  2. Step 2: Convert to fraction form
    193,205.60/289,822.80 = 68,530.40/x
  3. Step 3: Cross multiply
    193,205.60x = 289,822.80 × 68,530.40
  4. Step 4: Simplify right side
    193,205.60x = 19,861,672,413.12
  5. Step 5: Solve for x
    x = 19,861,672,413.12/193,205.60
  6. Step 6: Final answer
    x = 102,800.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.