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Finding the Fourth Proportional to 82,820.36, 114,326.43 and 62,682.86

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Solution

The fourth proportional to 82,820.36, 114,326.43 and 62,682.86 is: 86,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.36 : 114,326.43 = 62,682.86 : x
  2. Step 2: Convert to fraction form
    82,820.36/114,326.43 = 62,682.86/x
  3. Step 3: Cross multiply
    82,820.36x = 114,326.43 × 62,682.86
  4. Step 4: Simplify right side
    82,820.36x = 7,166,307,605.99
  5. Step 5: Solve for x
    x = 7,166,307,605.99/82,820.36
  6. Step 6: Final answer
    x = 86,528.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.