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Finding the Fourth Proportional to 299,021.76, 448,456.23 and 88,610.49

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Solution

The fourth proportional to 299,021.76, 448,456.23 and 88,610.49 is: 132,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,021.76 : 448,456.23 = 88,610.49 : x
  2. Step 2: Convert to fraction form
    299,021.76/448,456.23 = 88,610.49/x
  3. Step 3: Cross multiply
    299,021.76x = 448,456.23 × 88,610.49
  4. Step 4: Simplify right side
    299,021.76x = 39,737,926,283.85
  5. Step 5: Solve for x
    x = 39,737,926,283.85/299,021.76
  6. Step 6: Final answer
    x = 132,893.09

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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.