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Finding the Fourth Proportional to 96,109.88, 132,631.07 and 53,668.44

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Solution

The fourth proportional to 96,109.88, 132,631.07 and 53,668.44 is: 74,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,109.88 : 132,631.07 = 53,668.44 : x
  2. Step 2: Convert to fraction form
    96,109.88/132,631.07 = 53,668.44/x
  3. Step 3: Cross multiply
    96,109.88x = 132,631.07 × 53,668.44
  4. Step 4: Simplify right side
    96,109.88x = 7,118,102,354.09
  5. Step 5: Solve for x
    x = 7,118,102,354.09/96,109.88
  6. Step 6: Final answer
    x = 74,062.13

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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.