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Finding the Fourth Proportional to 226,025.68, 311,912.52 and 125,421.52

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Solution

The fourth proportional to 226,025.68, 311,912.52 and 125,421.52 is: 173,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,025.68 : 311,912.52 = 125,421.52 : x
  2. Step 2: Convert to fraction form
    226,025.68/311,912.52 = 125,421.52/x
  3. Step 3: Cross multiply
    226,025.68x = 311,912.52 × 125,421.52
  4. Step 4: Simplify right side
    226,025.68x = 39,120,542,365.43
  5. Step 5: Solve for x
    x = 39,120,542,365.43/226,025.68
  6. Step 6: Final answer
    x = 173,080.08

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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.