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Finding the Fourth Proportional to 231,889.59, 347,817.37 and 74,075.67

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Solution

The fourth proportional to 231,889.59, 347,817.37 and 74,075.67 is: 111,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,889.59 : 347,817.37 = 74,075.67 : x
  2. Step 2: Convert to fraction form
    231,889.59/347,817.37 = 74,075.67/x
  3. Step 3: Cross multiply
    231,889.59x = 347,817.37 × 74,075.67
  4. Step 4: Simplify right side
    231,889.59x = 25,764,802,796.11
  5. Step 5: Solve for x
    x = 25,764,802,796.11/231,889.59
  6. Step 6: Final answer
    x = 111,108.06

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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.