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Finding the Fourth Proportional to 169,371.11, 254,056.76 and 43,020.83

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Solution

The fourth proportional to 169,371.11, 254,056.76 and 43,020.83 is: 64,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371.11 : 254,056.76 = 43,020.83 : x
  2. Step 2: Convert to fraction form
    169,371.11/254,056.76 = 43,020.83/x
  3. Step 3: Cross multiply
    169,371.11x = 254,056.76 × 43,020.83
  4. Step 4: Simplify right side
    169,371.11x = 10,929,732,682.31
  5. Step 5: Solve for x
    x = 10,929,732,682.31/169,371.11
  6. Step 6: Final answer
    x = 64,531.27

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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.