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Finding the Fourth Proportional to 223,556.55, 335,263.69 and 73,768.92

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Solution

The fourth proportional to 223,556.55, 335,263.69 and 73,768.92 is: 110,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,556.55 : 335,263.69 = 73,768.92 : x
  2. Step 2: Convert to fraction form
    223,556.55/335,263.69 = 73,768.92/x
  3. Step 3: Cross multiply
    223,556.55x = 335,263.69 × 73,768.92
  4. Step 4: Simplify right side
    223,556.55x = 24,732,039,161.49
  5. Step 5: Solve for x
    x = 24,732,039,161.49/223,556.55
  6. Step 6: Final answer
    x = 110,629.90

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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.