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Finding the Fourth Proportional to 110,262.72, 165,448.73 and 43,701.38

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Solution

The fourth proportional to 110,262.72, 165,448.73 and 43,701.38 is: 65,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,262.72 : 165,448.73 = 43,701.38 : x
  2. Step 2: Convert to fraction form
    110,262.72/165,448.73 = 43,701.38/x
  3. Step 3: Cross multiply
    110,262.72x = 165,448.73 × 43,701.38
  4. Step 4: Simplify right side
    110,262.72x = 7,230,336,993.00
  5. Step 5: Solve for x
    x = 7,230,336,993.00/110,262.72
  6. Step 6: Final answer
    x = 65,573.72

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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.