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Finding the Fourth Proportional to 76,676.59, 115,043.43 and 34,544.02

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Solution

The fourth proportional to 76,676.59, 115,043.43 and 34,544.02 is: 51,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,676.59 : 115,043.43 = 34,544.02 : x
  2. Step 2: Convert to fraction form
    76,676.59/115,043.43 = 34,544.02/x
  3. Step 3: Cross multiply
    76,676.59x = 115,043.43 × 34,544.02
  4. Step 4: Simplify right side
    76,676.59x = 3,974,062,546.79
  5. Step 5: Solve for x
    x = 3,974,062,546.79/76,676.59
  6. Step 6: Final answer
    x = 51,828.89

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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.