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Finding the Fourth Proportional to 110,187.40, 165,626.70 and 108,113.80

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Solution

The fourth proportional to 110,187.40, 165,626.70 and 108,113.80 is: 162,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,187.40 : 165,626.70 = 108,113.80 : x
  2. Step 2: Convert to fraction form
    110,187.40/165,626.70 = 108,113.80/x
  3. Step 3: Cross multiply
    110,187.40x = 165,626.70 × 108,113.80
  4. Step 4: Simplify right side
    110,187.40x = 17,906,531,918.46
  5. Step 5: Solve for x
    x = 17,906,531,918.46/110,187.40
  6. Step 6: Final answer
    x = 162,509.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.