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Finding the Fourth Proportional to 77,078.83, 106,371.89 and 44,813.29

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Solution

The fourth proportional to 77,078.83, 106,371.89 and 44,813.29 is: 61,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,078.83 : 106,371.89 = 44,813.29 : x
  2. Step 2: Convert to fraction form
    77,078.83/106,371.89 = 44,813.29/x
  3. Step 3: Cross multiply
    77,078.83x = 106,371.89 × 44,813.29
  4. Step 4: Simplify right side
    77,078.83x = 4,766,874,354.42
  5. Step 5: Solve for x
    x = 4,766,874,354.42/77,078.83
  6. Step 6: Final answer
    x = 61,844.15

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Why These Related Problems?

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