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Finding the Fourth Proportional to 299,009.54, 448,588.13 and 88,647.48

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Solution

The fourth proportional to 299,009.54, 448,588.13 and 88,647.48 is: 132,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,009.54 : 448,588.13 = 88,647.48 : x
  2. Step 2: Convert to fraction form
    299,009.54/448,588.13 = 88,647.48/x
  3. Step 3: Cross multiply
    299,009.54x = 448,588.13 × 88,647.48
  4. Step 4: Simplify right side
    299,009.54x = 39,766,206,839.18
  5. Step 5: Solve for x
    x = 39,766,206,839.18/299,009.54
  6. Step 6: Final answer
    x = 132,993.10

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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.