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Finding the Fourth Proportional to 234,137.49, 323,110.53 and 126,707.49

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Solution

The fourth proportional to 234,137.49, 323,110.53 and 126,707.49 is: 174,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,137.49 : 323,110.53 = 126,707.49 : x
  2. Step 2: Convert to fraction form
    234,137.49/323,110.53 = 126,707.49/x
  3. Step 3: Cross multiply
    234,137.49x = 323,110.53 × 126,707.49
  4. Step 4: Simplify right side
    234,137.49x = 40,940,524,248.87
  5. Step 5: Solve for x
    x = 40,940,524,248.87/234,137.49
  6. Step 6: Final answer
    x = 174,856.77

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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.