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Finding the Fourth Proportional to 230,675.20, 345,244.80 and 167,315.20

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Solution

The fourth proportional to 230,675.20, 345,244.80 and 167,315.20 is: 250,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,675.20 : 345,244.80 = 167,315.20 : x
  2. Step 2: Convert to fraction form
    230,675.20/345,244.80 = 167,315.20/x
  3. Step 3: Cross multiply
    230,675.20x = 345,244.80 × 167,315.20
  4. Step 4: Simplify right side
    230,675.20x = 57,764,702,760.96
  5. Step 5: Solve for x
    x = 57,764,702,760.96/230,675.20
  6. Step 6: Final answer
    x = 250,415.75

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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.