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Finding the Fourth Proportional to 95,405.89, 131,670.62 and 54,573.79

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Solution

The fourth proportional to 95,405.89, 131,670.62 and 54,573.79 is: 75,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,405.89 : 131,670.62 = 54,573.79 : x
  2. Step 2: Convert to fraction form
    95,405.89/131,670.62 = 54,573.79/x
  3. Step 3: Cross multiply
    95,405.89x = 131,670.62 × 54,573.79
  4. Step 4: Simplify right side
    95,405.89x = 7,185,764,492.18
  5. Step 5: Solve for x
    x = 7,185,764,492.18/95,405.89
  6. Step 6: Final answer
    x = 75,317.83

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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.