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Finding the Fourth Proportional to 230,395.17, 345,540.91 and 82,651.17

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Solution

The fourth proportional to 230,395.17, 345,540.91 and 82,651.17 is: 123,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,395.17 : 345,540.91 = 82,651.17 : x
  2. Step 2: Convert to fraction form
    230,395.17/345,540.91 = 82,651.17/x
  3. Step 3: Cross multiply
    230,395.17x = 345,540.91 × 82,651.17
  4. Step 4: Simplify right side
    230,395.17x = 28,559,360,494.36
  5. Step 5: Solve for x
    x = 28,559,360,494.36/230,395.17
  6. Step 6: Final answer
    x = 123,958.16

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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.