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Finding the Fourth Proportional to 234,671.99, 323,847.05 and 127,241.89

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Solution

The fourth proportional to 234,671.99, 323,847.05 and 127,241.89 is: 175,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,671.99 : 323,847.05 = 127,241.89 : x
  2. Step 2: Convert to fraction form
    234,671.99/323,847.05 = 127,241.89/x
  3. Step 3: Cross multiply
    234,671.99x = 323,847.05 × 127,241.89
  4. Step 4: Simplify right side
    234,671.99x = 41,206,909,267.10
  5. Step 5: Solve for x
    x = 41,206,909,267.10/234,671.99
  6. Step 6: Final answer
    x = 175,593.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.