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Finding the Fourth Proportional to 104,091.88, 156,293.34 and 102,536.68

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Solution

The fourth proportional to 104,091.88, 156,293.34 and 102,536.68 is: 153,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.88 : 156,293.34 = 102,536.68 : x
  2. Step 2: Convert to fraction form
    104,091.88/156,293.34 = 102,536.68/x
  3. Step 3: Cross multiply
    104,091.88x = 156,293.34 × 102,536.68
  4. Step 4: Simplify right side
    104,091.88x = 16,025,800,189.71
  5. Step 5: Solve for x
    x = 16,025,800,189.71/104,091.88
  6. Step 6: Final answer
    x = 153,958.22

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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.