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Finding the Fourth Proportional to 72,544.60, 108,773.16 and 33,134.86

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Solution

The fourth proportional to 72,544.60, 108,773.16 and 33,134.86 is: 49,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544.60 : 108,773.16 = 33,134.86 : x
  2. Step 2: Convert to fraction form
    72,544.60/108,773.16 = 33,134.86/x
  3. Step 3: Cross multiply
    72,544.60x = 108,773.16 × 33,134.86
  4. Step 4: Simplify right side
    72,544.60x = 3,604,183,428.36
  5. Step 5: Solve for x
    x = 3,604,183,428.36/72,544.60
  6. Step 6: Final answer
    x = 49,682.31

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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.