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Finding the Fourth Proportional to 82,645.80, 123,899.04 and 35,863.44

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Solution

The fourth proportional to 82,645.80, 123,899.04 and 35,863.44 is: 53,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,645.80 : 123,899.04 = 35,863.44 : x
  2. Step 2: Convert to fraction form
    82,645.80/123,899.04 = 35,863.44/x
  3. Step 3: Cross multiply
    82,645.80x = 123,899.04 × 35,863.44
  4. Step 4: Simplify right side
    82,645.80x = 4,443,445,787.10
  5. Step 5: Solve for x
    x = 4,443,445,787.10/82,645.80
  6. Step 6: Final answer
    x = 53,764.93

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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.