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Finding the Fourth Proportional to 110,098.48, 165,128.26 and 43,516.48

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Solution

The fourth proportional to 110,098.48, 165,128.26 and 43,516.48 is: 65,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,098.48 : 165,128.26 = 43,516.48 : x
  2. Step 2: Convert to fraction form
    110,098.48/165,128.26 = 43,516.48/x
  3. Step 3: Cross multiply
    110,098.48x = 165,128.26 × 43,516.48
  4. Step 4: Simplify right side
    110,098.48x = 7,185,800,623.72
  5. Step 5: Solve for x
    x = 7,185,800,623.72/110,098.48
  6. Step 6: Final answer
    x = 65,267.03

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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.