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Finding the Fourth Proportional to 155,282.45, 232,978.34 and 76,452.03

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Solution

The fourth proportional to 155,282.45, 232,978.34 and 76,452.03 is: 114,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,282.45 : 232,978.34 = 76,452.03 : x
  2. Step 2: Convert to fraction form
    155,282.45/232,978.34 = 76,452.03/x
  3. Step 3: Cross multiply
    155,282.45x = 232,978.34 × 76,452.03
  4. Step 4: Simplify right side
    155,282.45x = 17,811,667,230.16
  5. Step 5: Solve for x
    x = 17,811,667,230.16/155,282.45
  6. Step 6: Final answer
    x = 114,704.96

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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.