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Finding the Fourth Proportional to 82,786.89, 124,093.89 and 38,377.02

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Solution

The fourth proportional to 82,786.89, 124,093.89 and 38,377.02 is: 57,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,786.89 : 124,093.89 = 38,377.02 : x
  2. Step 2: Convert to fraction form
    82,786.89/124,093.89 = 38,377.02/x
  3. Step 3: Cross multiply
    82,786.89x = 124,093.89 × 38,377.02
  4. Step 4: Simplify right side
    82,786.89x = 4,762,353,698.41
  5. Step 5: Solve for x
    x = 4,762,353,698.41/82,786.89
  6. Step 6: Final answer
    x = 57,525.46

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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.