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Finding the Fourth Proportional to 110,893.83, 166,354.55 and 43,417.14

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Solution

The fourth proportional to 110,893.83, 166,354.55 and 43,417.14 is: 65,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,893.83 : 166,354.55 = 43,417.14 : x
  2. Step 2: Convert to fraction form
    110,893.83/166,354.55 = 43,417.14/x
  3. Step 3: Cross multiply
    110,893.83x = 166,354.55 × 43,417.14
  4. Step 4: Simplify right side
    110,893.83x = 7,222,638,786.99
  5. Step 5: Solve for x
    x = 7,222,638,786.99/110,893.83
  6. Step 6: Final answer
    x = 65,131.11

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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.