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Finding the Fourth Proportional to 110,495.79, 165,754.37 and 43,920.98

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Solution

The fourth proportional to 110,495.79, 165,754.37 and 43,920.98 is: 65,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,495.79 : 165,754.37 = 43,920.98 : x
  2. Step 2: Convert to fraction form
    110,495.79/165,754.37 = 43,920.98/x
  3. Step 3: Cross multiply
    110,495.79x = 165,754.37 × 43,920.98
  4. Step 4: Simplify right side
    110,495.79x = 7,280,094,107.59
  5. Step 5: Solve for x
    x = 7,280,094,107.59/110,495.79
  6. Step 6: Final answer
    x = 65,885.71

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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.