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Finding the Fourth Proportional to 234,718.98, 323,906.49 and 134,110.50

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Solution

The fourth proportional to 234,718.98, 323,906.49 and 134,110.50 is: 185,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,718.98 : 323,906.49 = 134,110.50 : x
  2. Step 2: Convert to fraction form
    234,718.98/323,906.49 = 134,110.50/x
  3. Step 3: Cross multiply
    234,718.98x = 323,906.49 × 134,110.50
  4. Step 4: Simplify right side
    234,718.98x = 43,439,261,327.15
  5. Step 5: Solve for x
    x = 43,439,261,327.15/234,718.98
  6. Step 6: Final answer
    x = 185,069.23

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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.