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Finding the Fourth Proportional to 110,536.29, 165,788.28 and 54,361.33

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Solution

The fourth proportional to 110,536.29, 165,788.28 and 54,361.33 is: 81,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,536.29 : 165,788.28 = 54,361.33 : x
  2. Step 2: Convert to fraction form
    110,536.29/165,788.28 = 54,361.33/x
  3. Step 3: Cross multiply
    110,536.29x = 165,788.28 × 54,361.33
  4. Step 4: Simplify right side
    110,536.29x = 9,012,470,984.74
  5. Step 5: Solve for x
    x = 9,012,470,984.74/110,536.29
  6. Step 6: Final answer
    x = 81,534.05

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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.