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Finding the Fourth Proportional to 251,405.92, 377,107.90 and 101,644.41

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Solution

The fourth proportional to 251,405.92, 377,107.90 and 101,644.41 is: 152,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,405.92 : 377,107.90 = 101,644.41 : x
  2. Step 2: Convert to fraction form
    251,405.92/377,107.90 = 101,644.41/x
  3. Step 3: Cross multiply
    251,405.92x = 377,107.90 × 101,644.41
  4. Step 4: Simplify right side
    251,405.92x = 38,330,909,747.73
  5. Step 5: Solve for x
    x = 38,330,909,747.73/251,405.92
  6. Step 6: Final answer
    x = 152,466.22

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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.