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Finding the Fourth Proportional to 233,674.20, 350,511.30 and 75,918.60

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Solution

The fourth proportional to 233,674.20, 350,511.30 and 75,918.60 is: 113,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,674.20 : 350,511.30 = 75,918.60 : x
  2. Step 2: Convert to fraction form
    233,674.20/350,511.30 = 75,918.60/x
  3. Step 3: Cross multiply
    233,674.20x = 350,511.30 × 75,918.60
  4. Step 4: Simplify right side
    233,674.20x = 26,610,327,180.18
  5. Step 5: Solve for x
    x = 26,610,327,180.18/233,674.20
  6. Step 6: Final answer
    x = 113,877.90

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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.