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Finding the Fourth Proportional to 234,112.77, 323,075.12 and 126,682.76

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Solution

The fourth proportional to 234,112.77, 323,075.12 and 126,682.76 is: 174,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,112.77 : 323,075.12 = 126,682.76 : x
  2. Step 2: Convert to fraction form
    234,112.77/323,075.12 = 126,682.76/x
  3. Step 3: Cross multiply
    234,112.77x = 323,075.12 × 126,682.76
  4. Step 4: Simplify right side
    234,112.77x = 40,928,048,063.21
  5. Step 5: Solve for x
    x = 40,928,048,063.21/234,112.77
  6. Step 6: Final answer
    x = 174,821.94

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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.