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Finding the Fourth Proportional to 251,441.55, 377,162.31 and 73,948.56

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Solution

The fourth proportional to 251,441.55, 377,162.31 and 73,948.56 is: 110,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,441.55 : 377,162.31 = 73,948.56 : x
  2. Step 2: Convert to fraction form
    251,441.55/377,162.31 = 73,948.56/x
  3. Step 3: Cross multiply
    251,441.55x = 377,162.31 × 73,948.56
  4. Step 4: Simplify right side
    251,441.55x = 27,890,609,710.77
  5. Step 5: Solve for x
    x = 27,890,609,710.77/251,441.55
  6. Step 6: Final answer
    x = 110,922.84

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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.