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Finding the Fourth Proportional to 82,676.58, 124,014.87 and 26,522.52

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Solution

The fourth proportional to 82,676.58, 124,014.87 and 26,522.52 is: 39,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,676.58 : 124,014.87 = 26,522.52 : x
  2. Step 2: Convert to fraction form
    82,676.58/124,014.87 = 26,522.52/x
  3. Step 3: Cross multiply
    82,676.58x = 124,014.87 × 26,522.52
  4. Step 4: Simplify right side
    82,676.58x = 3,289,186,869.87
  5. Step 5: Solve for x
    x = 3,289,186,869.87/82,676.58
  6. Step 6: Final answer
    x = 39,783.78

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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.