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Finding the Fourth Proportional to 122,660.20, 183,731.10 and 122,660.20

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Solution

The fourth proportional to 122,660.20, 183,731.10 and 122,660.20 is: 183,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,660.20 : 183,731.10 = 122,660.20 : x
  2. Step 2: Convert to fraction form
    122,660.20/183,731.10 = 122,660.20/x
  3. Step 3: Cross multiply
    122,660.20x = 183,731.10 × 122,660.20
  4. Step 4: Simplify right side
    122,660.20x = 22,536,493,472.22
  5. Step 5: Solve for x
    x = 22,536,493,472.22/122,660.20
  6. Step 6: Final answer
    x = 183,731.10

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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.