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Finding the Fourth Proportional to 234,203.07, 351,314.33 and 67,991.07

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Solution

The fourth proportional to 234,203.07, 351,314.33 and 67,991.07 is: 101,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,203.07 : 351,314.33 = 67,991.07 : x
  2. Step 2: Convert to fraction form
    234,203.07/351,314.33 = 67,991.07/x
  3. Step 3: Cross multiply
    234,203.07x = 351,314.33 × 67,991.07
  4. Step 4: Simplify right side
    234,203.07x = 23,886,236,863.08
  5. Step 5: Solve for x
    x = 23,886,236,863.08/234,203.07
  6. Step 6: Final answer
    x = 101,989.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.