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Finding the Fourth Proportional to 301,124.67, 451,555.73 and 101,391.39

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Solution

The fourth proportional to 301,124.67, 451,555.73 and 101,391.39 is: 152,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,124.67 : 451,555.73 = 101,391.39 : x
  2. Step 2: Convert to fraction form
    301,124.67/451,555.73 = 101,391.39/x
  3. Step 3: Cross multiply
    301,124.67x = 451,555.73 × 101,391.39
  4. Step 4: Simplify right side
    301,124.67x = 45,783,862,620.21
  5. Step 5: Solve for x
    x = 45,783,862,620.21/301,124.67
  6. Step 6: Final answer
    x = 152,042.88

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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.