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Finding the Fourth Proportional to 234,418.80, 351,628.20 and 123,826.80

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Solution

The fourth proportional to 234,418.80, 351,628.20 and 123,826.80 is: 185,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,418.80 : 351,628.20 = 123,826.80 : x
  2. Step 2: Convert to fraction form
    234,418.80/351,628.20 = 123,826.80/x
  3. Step 3: Cross multiply
    234,418.80x = 351,628.20 × 123,826.80
  4. Step 4: Simplify right side
    234,418.80x = 43,540,994,795.76
  5. Step 5: Solve for x
    x = 43,540,994,795.76/234,418.80
  6. Step 6: Final answer
    x = 185,740.20

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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.