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Finding the Fourth Proportional to 230,556.68, 345,867.37 and 80,762.67

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Solution

The fourth proportional to 230,556.68, 345,867.37 and 80,762.67 is: 121,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,556.68 : 345,867.37 = 80,762.67 : x
  2. Step 2: Convert to fraction form
    230,556.68/345,867.37 = 80,762.67/x
  3. Step 3: Cross multiply
    230,556.68x = 345,867.37 × 80,762.67
  4. Step 4: Simplify right side
    230,556.68x = 27,933,172,267.08
  5. Step 5: Solve for x
    x = 27,933,172,267.08/230,556.68
  6. Step 6: Final answer
    x = 121,155.34

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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.