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Finding the Fourth Proportional to 169,371.36, 254,057.13 and 43,021.08

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Solution

The fourth proportional to 169,371.36, 254,057.13 and 43,021.08 is: 64,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371.36 : 254,057.13 = 43,021.08 : x
  2. Step 2: Convert to fraction form
    169,371.36/254,057.13 = 43,021.08/x
  3. Step 3: Cross multiply
    169,371.36x = 254,057.13 × 43,021.08
  4. Step 4: Simplify right side
    169,371.36x = 10,929,812,114.30
  5. Step 5: Solve for x
    x = 10,929,812,114.30/169,371.36
  6. Step 6: Final answer
    x = 64,531.64

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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.