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Finding the Fourth Proportional to 82,240.48, 113,492.80 and 48,249.56

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Solution

The fourth proportional to 82,240.48, 113,492.80 and 48,249.56 is: 66,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,240.48 : 113,492.80 = 48,249.56 : x
  2. Step 2: Convert to fraction form
    82,240.48/113,492.80 = 48,249.56/x
  3. Step 3: Cross multiply
    82,240.48x = 113,492.80 × 48,249.56
  4. Step 4: Simplify right side
    82,240.48x = 5,475,977,663.17
  5. Step 5: Solve for x
    x = 5,475,977,663.17/82,240.48
  6. Step 6: Final answer
    x = 66,584.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.