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Finding the Fourth Proportional to 265,991.28, 366,735.96 and 170,340.72

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Solution

The fourth proportional to 265,991.28, 366,735.96 and 170,340.72 is: 234,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,991.28 : 366,735.96 = 170,340.72 : x
  2. Step 2: Convert to fraction form
    265,991.28/366,735.96 = 170,340.72/x
  3. Step 3: Cross multiply
    265,991.28x = 366,735.96 × 170,340.72
  4. Step 4: Simplify right side
    265,991.28x = 62,470,067,476.29
  5. Step 5: Solve for x
    x = 62,470,067,476.29/265,991.28
  6. Step 6: Final answer
    x = 234,857.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.