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Finding the Fourth Proportional to 183,791.10, 275,686.65 and 72,983.10

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Solution

The fourth proportional to 183,791.10, 275,686.65 and 72,983.10 is: 109,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,791.10 : 275,686.65 = 72,983.10 : x
  2. Step 2: Convert to fraction form
    183,791.10/275,686.65 = 72,983.10/x
  3. Step 3: Cross multiply
    183,791.10x = 275,686.65 × 72,983.10
  4. Step 4: Simplify right side
    183,791.10x = 20,120,466,345.62
  5. Step 5: Solve for x
    x = 20,120,466,345.62/183,791.10
  6. Step 6: Final answer
    x = 109,474.65

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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.