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Finding the Fourth Proportional to 114,791.67, 172,188.96 and 30,551.32

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Solution

The fourth proportional to 114,791.67, 172,188.96 and 30,551.32 is: 45,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,791.67 : 172,188.96 = 30,551.32 : x
  2. Step 2: Convert to fraction form
    114,791.67/172,188.96 = 30,551.32/x
  3. Step 3: Cross multiply
    114,791.67x = 172,188.96 × 30,551.32
  4. Step 4: Simplify right side
    114,791.67x = 5,260,600,118.10
  5. Step 5: Solve for x
    x = 5,260,600,118.10/114,791.67
  6. Step 6: Final answer
    x = 45,827.37

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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.