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Finding the Fourth Proportional to 96,186.34, 132,736.87 and 53,744.90

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Solution

The fourth proportional to 96,186.34, 132,736.87 and 53,744.90 is: 74,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,186.34 : 132,736.87 = 53,744.90 : x
  2. Step 2: Convert to fraction form
    96,186.34/132,736.87 = 53,744.90/x
  3. Step 3: Cross multiply
    96,186.34x = 132,736.87 × 53,744.90
  4. Step 4: Simplify right side
    96,186.34x = 7,133,929,804.46
  5. Step 5: Solve for x
    x = 7,133,929,804.46/96,186.34
  6. Step 6: Final answer
    x = 74,167.81

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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.