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Finding the Fourth Proportional to 180,269.91, 248,791.16 and 103,791.74

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Solution

The fourth proportional to 180,269.91, 248,791.16 and 103,791.74 is: 143,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,269.91 : 248,791.16 = 103,791.74 : x
  2. Step 2: Convert to fraction form
    180,269.91/248,791.16 = 103,791.74/x
  3. Step 3: Cross multiply
    180,269.91x = 248,791.16 × 103,791.74
  4. Step 4: Simplify right side
    180,269.91x = 25,822,466,408.54
  5. Step 5: Solve for x
    x = 25,822,466,408.54/180,269.91
  6. Step 6: Final answer
    x = 143,243.35

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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.