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Finding the Fourth Proportional to 299,057.67, 448,610.81 and 88,695

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Solution

The fourth proportional to 299,057.67, 448,610.81 and 88,695 is: 133,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,057.67 : 448,610.81 = 88,695 : x
  2. Step 2: Convert to fraction form
    299,057.67/448,610.81 = 88,695/x
  3. Step 3: Cross multiply
    299,057.67x = 448,610.81 × 88,695
  4. Step 4: Simplify right side
    299,057.67x = 39,789,535,349.48
  5. Step 5: Solve for x
    x = 39,789,535,349.48/299,057.67
  6. Step 6: Final answer
    x = 133,049.71

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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.