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Finding the Fourth Proportional to 122,042.89, 183,029.00 and 36,650.31

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Solution

The fourth proportional to 122,042.89, 183,029.00 and 36,650.31 is: 54,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,042.89 : 183,029.00 = 36,650.31 : x
  2. Step 2: Convert to fraction form
    122,042.89/183,029.00 = 36,650.31/x
  3. Step 3: Cross multiply
    122,042.89x = 183,029.00 × 36,650.31
  4. Step 4: Simplify right side
    122,042.89x = 6,708,068,719.38
  5. Step 5: Solve for x
    x = 6,708,068,719.38/122,042.89
  6. Step 6: Final answer
    x = 54,964.85

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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.