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Finding the Fourth Proportional to 299,752.28, 449,618.04 and 75,114.68

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Solution

The fourth proportional to 299,752.28, 449,618.04 and 75,114.68 is: 112,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,752.28 : 449,618.04 = 75,114.68 : x
  2. Step 2: Convert to fraction form
    299,752.28/449,618.04 = 75,114.68/x
  3. Step 3: Cross multiply
    299,752.28x = 449,618.04 × 75,114.68
  4. Step 4: Simplify right side
    299,752.28x = 33,772,915,196.83
  5. Step 5: Solve for x
    x = 33,772,915,196.83/299,752.28
  6. Step 6: Final answer
    x = 112,669.42

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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.