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Finding the Fourth Proportional to 106,676.80, 159,784.80 and 88,244.80

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Solution

The fourth proportional to 106,676.80, 159,784.80 and 88,244.80 is: 132,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,676.80 : 159,784.80 = 88,244.80 : x
  2. Step 2: Convert to fraction form
    106,676.80/159,784.80 = 88,244.80/x
  3. Step 3: Cross multiply
    106,676.80x = 159,784.80 × 88,244.80
  4. Step 4: Simplify right side
    106,676.80x = 14,100,177,719.04
  5. Step 5: Solve for x
    x = 14,100,177,719.04/106,676.80
  6. Step 6: Final answer
    x = 132,176.61

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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.