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Finding the Fourth Proportional to 299,924.20, 450,059.10 and 113,069.80

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Solution

The fourth proportional to 299,924.20, 450,059.10 and 113,069.80 is: 169,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,924.20 : 450,059.10 = 113,069.80 : x
  2. Step 2: Convert to fraction form
    299,924.20/450,059.10 = 113,069.80/x
  3. Step 3: Cross multiply
    299,924.20x = 450,059.10 × 113,069.80
  4. Step 4: Simplify right side
    299,924.20x = 50,888,092,425.18
  5. Step 5: Solve for x
    x = 50,888,092,425.18/299,924.20
  6. Step 6: Final answer
    x = 169,669.84

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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.