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Finding the Fourth Proportional to 96,388.40, 144,554.80 and 33,205.96

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Solution

The fourth proportional to 96,388.40, 144,554.80 and 33,205.96 is: 49,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,388.40 : 144,554.80 = 33,205.96 : x
  2. Step 2: Convert to fraction form
    96,388.40/144,554.80 = 33,205.96/x
  3. Step 3: Cross multiply
    96,388.40x = 144,554.80 × 33,205.96
  4. Step 4: Simplify right side
    96,388.40x = 4,800,080,906.61
  5. Step 5: Solve for x
    x = 4,800,080,906.61/96,388.40
  6. Step 6: Final answer
    x = 49,799.36

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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.