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Finding the Fourth Proportional to 322,722.96, 484,073.28 and 123,036

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Solution

The fourth proportional to 322,722.96, 484,073.28 and 123,036 is: 184,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,722.96 : 484,073.28 = 123,036 : x
  2. Step 2: Convert to fraction form
    322,722.96/484,073.28 = 123,036/x
  3. Step 3: Cross multiply
    322,722.96x = 484,073.28 × 123,036
  4. Step 4: Simplify right side
    322,722.96x = 59,558,440,078.08
  5. Step 5: Solve for x
    x = 59,558,440,078.08/322,722.96
  6. Step 6: Final answer
    x = 184,549.75

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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.