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Finding the Fourth Proportional to 322,203.36, 483,189.92 and 122,470.56

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Solution

The fourth proportional to 322,203.36, 483,189.92 and 122,470.56 is: 183,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,203.36 : 483,189.92 = 122,470.56 : x
  2. Step 2: Convert to fraction form
    322,203.36/483,189.92 = 122,470.56/x
  3. Step 3: Cross multiply
    322,203.36x = 483,189.92 × 122,470.56
  4. Step 4: Simplify right side
    322,203.36x = 59,176,540,088.76
  5. Step 5: Solve for x
    x = 59,176,540,088.76/322,203.36
  6. Step 6: Final answer
    x = 183,662.08

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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.