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Finding the Fourth Proportional to 169,359.57, 254,039.48 and 43,009.29

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Solution

The fourth proportional to 169,359.57, 254,039.48 and 43,009.29 is: 64,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,359.57 : 254,039.48 = 43,009.29 : x
  2. Step 2: Convert to fraction form
    169,359.57/254,039.48 = 43,009.29/x
  3. Step 3: Cross multiply
    169,359.57x = 254,039.48 × 43,009.29
  4. Step 4: Simplify right side
    169,359.57x = 10,926,057,451.72
  5. Step 5: Solve for x
    x = 10,926,057,451.72/169,359.57
  6. Step 6: Final answer
    x = 64,513.97

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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.