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Finding the Fourth Proportional to 95,915.06, 143,914.06 and 51,489.94

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Solution

The fourth proportional to 95,915.06, 143,914.06 and 51,489.94 is: 77,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,915.06 : 143,914.06 = 51,489.94 : x
  2. Step 2: Convert to fraction form
    95,915.06/143,914.06 = 51,489.94/x
  3. Step 3: Cross multiply
    95,915.06x = 143,914.06 × 51,489.94
  4. Step 4: Simplify right side
    95,915.06x = 7,410,126,314.56
  5. Step 5: Solve for x
    x = 7,410,126,314.56/95,915.06
  6. Step 6: Final answer
    x = 77,257.17

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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.