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Finding the Fourth Proportional to 110,257.71, 165,441.29 and 43,696.36

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Solution

The fourth proportional to 110,257.71, 165,441.29 and 43,696.36 is: 65,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.71 : 165,441.29 = 43,696.36 : x
  2. Step 2: Convert to fraction form
    110,257.71/165,441.29 = 43,696.36/x
  3. Step 3: Cross multiply
    110,257.71x = 165,441.29 × 43,696.36
  4. Step 4: Simplify right side
    110,257.71x = 7,229,182,155.02
  5. Step 5: Solve for x
    x = 7,229,182,155.02/110,257.71
  6. Step 6: Final answer
    x = 65,566.23

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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.