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Finding the Fourth Proportional to 104,676.74, 156,977.12 and 57,327.02

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Solution

The fourth proportional to 104,676.74, 156,977.12 and 57,327.02 is: 85,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.74 : 156,977.12 = 57,327.02 : x
  2. Step 2: Convert to fraction form
    104,676.74/156,977.12 = 57,327.02/x
  3. Step 3: Cross multiply
    104,676.74x = 156,977.12 × 57,327.02
  4. Step 4: Simplify right side
    104,676.74x = 8,999,030,497.78
  5. Step 5: Solve for x
    x = 8,999,030,497.78/104,676.74
  6. Step 6: Final answer
    x = 85,969.72

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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.