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Finding the Fourth Proportional to 299,101.11, 448,736.40 and 121,735.41

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Solution

The fourth proportional to 299,101.11, 448,736.40 and 121,735.41 is: 182,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,101.11 : 448,736.40 = 121,735.41 : x
  2. Step 2: Convert to fraction form
    299,101.11/448,736.40 = 121,735.41/x
  3. Step 3: Cross multiply
    299,101.11x = 448,736.40 × 121,735.41
  4. Step 4: Simplify right side
    299,101.11x = 54,627,109,635.92
  5. Step 5: Solve for x
    x = 54,627,109,635.92/299,101.11
  6. Step 6: Final answer
    x = 182,637.60

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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.