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Finding the Fourth Proportional to 98,033.83, 146,991.44 and 43,988.60

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Solution

The fourth proportional to 98,033.83, 146,991.44 and 43,988.60 is: 65,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,033.83 : 146,991.44 = 43,988.60 : x
  2. Step 2: Convert to fraction form
    98,033.83/146,991.44 = 43,988.60/x
  3. Step 3: Cross multiply
    98,033.83x = 146,991.44 × 43,988.60
  4. Step 4: Simplify right side
    98,033.83x = 6,465,948,135.03
  5. Step 5: Solve for x
    x = 6,465,948,135.03/98,033.83
  6. Step 6: Final answer
    x = 65,956.30

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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.