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Finding the Fourth Proportional to 104,051.12, 156,101.54 and 33,930.52

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Solution

The fourth proportional to 104,051.12, 156,101.54 and 33,930.52 is: 50,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.12 : 156,101.54 = 33,930.52 : x
  2. Step 2: Convert to fraction form
    104,051.12/156,101.54 = 33,930.52/x
  3. Step 3: Cross multiply
    104,051.12x = 156,101.54 × 33,930.52
  4. Step 4: Simplify right side
    104,051.12x = 5,296,606,425.00
  5. Step 5: Solve for x
    x = 5,296,606,425.00/104,051.12
  6. Step 6: Final answer
    x = 50,903.89

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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.