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Finding the Fourth Proportional to 234,745.48, 323,943 and 134,137

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Solution

The fourth proportional to 234,745.48, 323,943 and 134,137 is: 185,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,745.48 : 323,943 = 134,137 : x
  2. Step 2: Convert to fraction form
    234,745.48/323,943 = 134,137/x
  3. Step 3: Cross multiply
    234,745.48x = 323,943 × 134,137
  4. Step 4: Simplify right side
    234,745.48x = 43,452,742,191
  5. Step 5: Solve for x
    x = 43,452,742,191/234,745.48
  6. Step 6: Final answer
    x = 185,105.77

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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.