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Finding the Fourth Proportional to 96,695.73, 133,438 and 53,672.70

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Solution

The fourth proportional to 96,695.73, 133,438 and 53,672.70 is: 74,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,695.73 : 133,438 = 53,672.70 : x
  2. Step 2: Convert to fraction form
    96,695.73/133,438 = 53,672.70/x
  3. Step 3: Cross multiply
    96,695.73x = 133,438 × 53,672.70
  4. Step 4: Simplify right side
    96,695.73x = 7,161,977,742.60
  5. Step 5: Solve for x
    x = 7,161,977,742.60/96,695.73
  6. Step 6: Final answer
    x = 74,067.16

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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.