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Finding the Fourth Proportional to 230,014.80, 345,022.20 and 167,806.80

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Solution

The fourth proportional to 230,014.80, 345,022.20 and 167,806.80 is: 251,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,014.80 : 345,022.20 = 167,806.80 : x
  2. Step 2: Convert to fraction form
    230,014.80/345,022.20 = 167,806.80/x
  3. Step 3: Cross multiply
    230,014.80x = 345,022.20 × 167,806.80
  4. Step 4: Simplify right side
    230,014.80x = 57,897,071,310.96
  5. Step 5: Solve for x
    x = 57,897,071,310.96/230,014.80
  6. Step 6: Final answer
    x = 251,710.20

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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.