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Finding the Fourth Proportional to 322,159.28, 483,173.22 and 122,409.62

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Solution

The fourth proportional to 322,159.28, 483,173.22 and 122,409.62 is: 183,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,159.28 : 483,173.22 = 122,409.62 : x
  2. Step 2: Convert to fraction form
    322,159.28/483,173.22 = 122,409.62/x
  3. Step 3: Cross multiply
    322,159.28x = 483,173.22 × 122,409.62
  4. Step 4: Simplify right side
    322,159.28x = 59,145,050,254.38
  5. Step 5: Solve for x
    x = 59,145,050,254.38/322,159.28
  6. Step 6: Final answer
    x = 183,589.47

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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.