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Finding the Fourth Proportional to 207,900.68, 311,852.06 and 58,141.53

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Solution

The fourth proportional to 207,900.68, 311,852.06 and 58,141.53 is: 87,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900.68 : 311,852.06 = 58,141.53 : x
  2. Step 2: Convert to fraction form
    207,900.68/311,852.06 = 58,141.53/x
  3. Step 3: Cross multiply
    207,900.68x = 311,852.06 × 58,141.53
  4. Step 4: Simplify right side
    207,900.68x = 18,131,555,611.34
  5. Step 5: Solve for x
    x = 18,131,555,611.34/207,900.68
  6. Step 6: Final answer
    x = 87,212.59

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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.