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Finding the Fourth Proportional to 234,422.36, 323,503 and 126,992.81

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Solution

The fourth proportional to 234,422.36, 323,503 and 126,992.81 is: 175,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,422.36 : 323,503 = 126,992.81 : x
  2. Step 2: Convert to fraction form
    234,422.36/323,503 = 126,992.81/x
  3. Step 3: Cross multiply
    234,422.36x = 323,503 × 126,992.81
  4. Step 4: Simplify right side
    234,422.36x = 41,082,555,013.43
  5. Step 5: Solve for x
    x = 41,082,555,013.43/234,422.36
  6. Step 6: Final answer
    x = 175,250.16

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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.