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Finding the Fourth Proportional to 110,410.08, 165,491.94 and 43,832.40

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Solution

The fourth proportional to 110,410.08, 165,491.94 and 43,832.40 is: 65,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,410.08 : 165,491.94 = 43,832.40 : x
  2. Step 2: Convert to fraction form
    110,410.08/165,491.94 = 43,832.40/x
  3. Step 3: Cross multiply
    110,410.08x = 165,491.94 × 43,832.40
  4. Step 4: Simplify right side
    110,410.08x = 7,253,908,910.86
  5. Step 5: Solve for x
    x = 7,253,908,910.86/110,410.08
  6. Step 6: Final answer
    x = 65,699.70

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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.