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Finding the Fourth Proportional to 132,648.44, 183,034.22 and 76,048.88

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Solution

The fourth proportional to 132,648.44, 183,034.22 and 76,048.88 is: 104,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,648.44 : 183,034.22 = 76,048.88 : x
  2. Step 2: Convert to fraction form
    132,648.44/183,034.22 = 76,048.88/x
  3. Step 3: Cross multiply
    132,648.44x = 183,034.22 × 76,048.88
  4. Step 4: Simplify right side
    132,648.44x = 13,919,546,137.26
  5. Step 5: Solve for x
    x = 13,919,546,137.26/132,648.44
  6. Step 6: Final answer
    x = 104,935.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.