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Finding the Fourth Proportional to 322,121.16, 483,244.00 and 122,425.98

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Solution

The fourth proportional to 322,121.16, 483,244.00 and 122,425.98 is: 183,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,121.16 : 483,244.00 = 122,425.98 : x
  2. Step 2: Convert to fraction form
    322,121.16/483,244.00 = 122,425.98/x
  3. Step 3: Cross multiply
    322,121.16x = 483,244.00 × 122,425.98
  4. Step 4: Simplify right side
    322,121.16x = 59,161,617,250.77
  5. Step 5: Solve for x
    x = 59,161,617,250.77/322,121.16
  6. Step 6: Final answer
    x = 183,662.62

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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.