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Finding the Fourth Proportional to 82,406.40, 123,523.20 and 32,467.20

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Solution

The fourth proportional to 82,406.40, 123,523.20 and 32,467.20 is: 48,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,406.40 : 123,523.20 = 32,467.20 : x
  2. Step 2: Convert to fraction form
    82,406.40/123,523.20 = 32,467.20/x
  3. Step 3: Cross multiply
    82,406.40x = 123,523.20 × 32,467.20
  4. Step 4: Simplify right side
    82,406.40x = 4,010,452,439.04
  5. Step 5: Solve for x
    x = 4,010,452,439.04/82,406.40
  6. Step 6: Final answer
    x = 48,666.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.