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Finding the Fourth Proportional to 234,829.30, 324,064.54 and 127,399.30

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Solution

The fourth proportional to 234,829.30, 324,064.54 and 127,399.30 is: 175,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,829.30 : 324,064.54 = 127,399.30 : x
  2. Step 2: Convert to fraction form
    234,829.30/324,064.54 = 127,399.30/x
  3. Step 3: Cross multiply
    234,829.30x = 324,064.54 × 127,399.30
  4. Step 4: Simplify right side
    234,829.30x = 41,285,595,550.82
  5. Step 5: Solve for x
    x = 41,285,595,550.82/234,829.30
  6. Step 6: Final answer
    x = 175,811.09

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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.