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Finding the Fourth Proportional to 104,676.92, 156,991.80 and 29,795.41

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Solution

The fourth proportional to 104,676.92, 156,991.80 and 29,795.41 is: 44,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.92 : 156,991.80 = 29,795.41 : x
  2. Step 2: Convert to fraction form
    104,676.92/156,991.80 = 29,795.41/x
  3. Step 3: Cross multiply
    104,676.92x = 156,991.80 × 29,795.41
  4. Step 4: Simplify right side
    104,676.92x = 4,677,634,580.67
  5. Step 5: Solve for x
    x = 4,677,634,580.67/104,676.92
  6. Step 6: Final answer
    x = 44,686.40

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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.