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Finding the Fourth Proportional to 254,562.36, 381,513.87 and 104,632.98

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Solution

The fourth proportional to 254,562.36, 381,513.87 and 104,632.98 is: 156,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,562.36 : 381,513.87 = 104,632.98 : x
  2. Step 2: Convert to fraction form
    254,562.36/381,513.87 = 104,632.98/x
  3. Step 3: Cross multiply
    254,562.36x = 381,513.87 × 104,632.98
  4. Step 4: Simplify right side
    254,562.36x = 39,918,933,129.43
  5. Step 5: Solve for x
    x = 39,918,933,129.43/254,562.36
  6. Step 6: Final answer
    x = 156,813.97

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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.