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Finding the Fourth Proportional to 299,673.60, 449,448.84 and 89,255.04

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Solution

The fourth proportional to 299,673.60, 449,448.84 and 89,255.04 is: 133,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,673.60 : 449,448.84 = 89,255.04 : x
  2. Step 2: Convert to fraction form
    299,673.60/449,448.84 = 89,255.04/x
  3. Step 3: Cross multiply
    299,673.60x = 449,448.84 × 89,255.04
  4. Step 4: Simplify right side
    299,673.60x = 40,115,574,192.15
  5. Step 5: Solve for x
    x = 40,115,574,192.15/299,673.60
  6. Step 6: Final answer
    x = 133,864.22

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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.