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Finding the Fourth Proportional to 104,095.88, 156,299.34 and 102,540.68

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Solution

The fourth proportional to 104,095.88, 156,299.34 and 102,540.68 is: 153,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.88 : 156,299.34 = 102,540.68 : x
  2. Step 2: Convert to fraction form
    104,095.88/156,299.34 = 102,540.68/x
  3. Step 3: Cross multiply
    104,095.88x = 156,299.34 × 102,540.68
  4. Step 4: Simplify right side
    104,095.88x = 16,027,040,607.15
  5. Step 5: Solve for x
    x = 16,027,040,607.15/104,095.88
  6. Step 6: Final answer
    x = 153,964.22

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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.