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Finding the Fourth Proportional to 109,546.59, 151,174.40 and 59,245.59

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Solution

The fourth proportional to 109,546.59, 151,174.40 and 59,245.59 is: 81,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,546.59 : 151,174.40 = 59,245.59 : x
  2. Step 2: Convert to fraction form
    109,546.59/151,174.40 = 59,245.59/x
  3. Step 3: Cross multiply
    109,546.59x = 151,174.40 × 59,245.59
  4. Step 4: Simplify right side
    109,546.59x = 8,956,416,224.67
  5. Step 5: Solve for x
    x = 8,956,416,224.67/109,546.59
  6. Step 6: Final answer
    x = 81,758.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.