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Finding the Fourth Proportional to 82,992.77, 124,563.49 and 43,040.36

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Solution

The fourth proportional to 82,992.77, 124,563.49 and 43,040.36 is: 64,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,992.77 : 124,563.49 = 43,040.36 : x
  2. Step 2: Convert to fraction form
    82,992.77/124,563.49 = 43,040.36/x
  3. Step 3: Cross multiply
    82,992.77x = 124,563.49 × 43,040.36
  4. Step 4: Simplify right side
    82,992.77x = 5,361,257,656.26
  5. Step 5: Solve for x
    x = 5,361,257,656.26/82,992.77
  6. Step 6: Final answer
    x = 64,599.09

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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.