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Finding the Fourth Proportional to 332,611.95, 499,273.13 and 143,166.15

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Solution

The fourth proportional to 332,611.95, 499,273.13 and 143,166.15 is: 214,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,611.95 : 499,273.13 = 143,166.15 : x
  2. Step 2: Convert to fraction form
    332,611.95/499,273.13 = 143,166.15/x
  3. Step 3: Cross multiply
    332,611.95x = 499,273.13 × 143,166.15
  4. Step 4: Simplify right side
    332,611.95x = 71,479,010,374.15
  5. Step 5: Solve for x
    x = 71,479,010,374.15/332,611.95
  6. Step 6: Final answer
    x = 214,902.11

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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.