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Finding the Fourth Proportional to 299,157.69, 448,676.18 and 109,553.33

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Solution

The fourth proportional to 299,157.69, 448,676.18 and 109,553.33 is: 164,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,157.69 : 448,676.18 = 109,553.33 : x
  2. Step 2: Convert to fraction form
    299,157.69/448,676.18 = 109,553.33/x
  3. Step 3: Cross multiply
    299,157.69x = 448,676.18 × 109,553.33
  4. Step 4: Simplify right side
    299,157.69x = 49,153,970,184.60
  5. Step 5: Solve for x
    x = 49,153,970,184.60/299,157.69
  6. Step 6: Final answer
    x = 164,307.89

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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.