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Finding the Fourth Proportional to 216,568.98, 298,856.60 and 119,766.54

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Solution

The fourth proportional to 216,568.98, 298,856.60 and 119,766.54 is: 165,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,568.98 : 298,856.60 = 119,766.54 : x
  2. Step 2: Convert to fraction form
    216,568.98/298,856.60 = 119,766.54/x
  3. Step 3: Cross multiply
    216,568.98x = 298,856.60 × 119,766.54
  4. Step 4: Simplify right side
    216,568.98x = 35,793,020,938.16
  5. Step 5: Solve for x
    x = 35,793,020,938.16/216,568.98
  6. Step 6: Final answer
    x = 165,273.07

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Why These Related Problems?

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