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Finding the Fourth Proportional to 82,997.99, 124,528.44 and 49,741.92

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Solution

The fourth proportional to 82,997.99, 124,528.44 and 49,741.92 is: 74,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,997.99 : 124,528.44 = 49,741.92 : x
  2. Step 2: Convert to fraction form
    82,997.99/124,528.44 = 49,741.92/x
  3. Step 3: Cross multiply
    82,997.99x = 124,528.44 × 49,741.92
  4. Step 4: Simplify right side
    82,997.99x = 6,194,283,700.20
  5. Step 5: Solve for x
    x = 6,194,283,700.20/82,997.99
  6. Step 6: Final answer
    x = 74,631.73

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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.