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Finding the Fourth Proportional to 234,511.22, 323,624.22 and 127,078.49

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Solution

The fourth proportional to 234,511.22, 323,624.22 and 127,078.49 is: 175,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,511.22 : 323,624.22 = 127,078.49 : x
  2. Step 2: Convert to fraction form
    234,511.22/323,624.22 = 127,078.49/x
  3. Step 3: Cross multiply
    234,511.22x = 323,624.22 × 127,078.49
  4. Step 4: Simplify right side
    234,511.22x = 41,125,677,205.03
  5. Step 5: Solve for x
    x = 41,125,677,205.03/234,511.22
  6. Step 6: Final answer
    x = 175,367.63

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1.5x scale

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.