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Finding the Fourth Proportional to 104,374.15, 156,571.47 and 29,494.87

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Solution

The fourth proportional to 104,374.15, 156,571.47 and 29,494.87 is: 44,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,374.15 : 156,571.47 = 29,494.87 : x
  2. Step 2: Convert to fraction form
    104,374.15/156,571.47 = 29,494.87/x
  3. Step 3: Cross multiply
    104,374.15x = 156,571.47 × 29,494.87
  4. Step 4: Simplify right side
    104,374.15x = 4,618,054,761.93
  5. Step 5: Solve for x
    x = 4,618,054,761.93/104,374.15
  6. Step 6: Final answer
    x = 44,245.20

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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.