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Finding the Fourth Proportional to 244,334.80, 366,372.60 and 86,568.40

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Solution

The fourth proportional to 244,334.80, 366,372.60 and 86,568.40 is: 129,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,334.80 : 366,372.60 = 86,568.40 : x
  2. Step 2: Convert to fraction form
    244,334.80/366,372.60 = 86,568.40/x
  3. Step 3: Cross multiply
    244,334.80x = 366,372.60 × 86,568.40
  4. Step 4: Simplify right side
    244,334.80x = 31,716,289,785.84
  5. Step 5: Solve for x
    x = 31,716,289,785.84/244,334.80
  6. Step 6: Final answer
    x = 129,806.68

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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.