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Finding the Fourth Proportional to 82,173.90, 123,477.58 and 44,251.20

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Solution

The fourth proportional to 82,173.90, 123,477.58 and 44,251.20 is: 66,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.90 : 123,477.58 = 44,251.20 : x
  2. Step 2: Convert to fraction form
    82,173.90/123,477.58 = 44,251.20/x
  3. Step 3: Cross multiply
    82,173.90x = 123,477.58 × 44,251.20
  4. Step 4: Simplify right side
    82,173.90x = 5,464,031,088.10
  5. Step 5: Solve for x
    x = 5,464,031,088.10/82,173.90
  6. Step 6: Final answer
    x = 66,493.51

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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.