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Finding the Fourth Proportional to 299,010.54, 448,589.63 and 88,648.48

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Solution

The fourth proportional to 299,010.54, 448,589.63 and 88,648.48 is: 132,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,010.54 : 448,589.63 = 88,648.48 : x
  2. Step 2: Convert to fraction form
    299,010.54/448,589.63 = 88,648.48/x
  3. Step 3: Cross multiply
    299,010.54x = 448,589.63 × 88,648.48
  4. Step 4: Simplify right side
    299,010.54x = 39,766,788,843.26
  5. Step 5: Solve for x
    x = 39,766,788,843.26/299,010.54
  6. Step 6: Final answer
    x = 132,994.61

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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.