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Finding the Fourth Proportional to 136,676.84, 205,029.83 and 57,799.04

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Solution

The fourth proportional to 136,676.84, 205,029.83 and 57,799.04 is: 86,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.84 : 205,029.83 = 57,799.04 : x
  2. Step 2: Convert to fraction form
    136,676.84/205,029.83 = 57,799.04/x
  3. Step 3: Cross multiply
    136,676.84x = 205,029.83 × 57,799.04
  4. Step 4: Simplify right side
    136,676.84x = 11,850,526,464.71
  5. Step 5: Solve for x
    x = 11,850,526,464.71/136,676.84
  6. Step 6: Final answer
    x = 86,704.72

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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.