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Finding the Fourth Proportional to 175,791.72, 263,703.12 and 49,433.04

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Solution

The fourth proportional to 175,791.72, 263,703.12 and 49,433.04 is: 74,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,791.72 : 263,703.12 = 49,433.04 : x
  2. Step 2: Convert to fraction form
    175,791.72/263,703.12 = 49,433.04/x
  3. Step 3: Cross multiply
    175,791.72x = 263,703.12 × 49,433.04
  4. Step 4: Simplify right side
    175,791.72x = 13,035,646,879.08
  5. Step 5: Solve for x
    x = 13,035,646,879.08/175,791.72
  6. Step 6: Final answer
    x = 74,153.93

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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.