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Finding the Fourth Proportional to 104,791.67, 144,612.52 and 57,045.37

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Solution

The fourth proportional to 104,791.67, 144,612.52 and 57,045.37 is: 78,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,791.67 : 144,612.52 = 57,045.37 : x
  2. Step 2: Convert to fraction form
    104,791.67/144,612.52 = 57,045.37/x
  3. Step 3: Cross multiply
    104,791.67x = 144,612.52 × 57,045.37
  4. Step 4: Simplify right side
    104,791.67x = 8,249,474,710.03
  5. Step 5: Solve for x
    x = 8,249,474,710.03/104,791.67
  6. Step 6: Final answer
    x = 78,722.62

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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.