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Finding the Fourth Proportional to 116,060.96, 160,135.44 and 68,310.56

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Solution

The fourth proportional to 116,060.96, 160,135.44 and 68,310.56 is: 94,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,060.96 : 160,135.44 = 68,310.56 : x
  2. Step 2: Convert to fraction form
    116,060.96/160,135.44 = 68,310.56/x
  3. Step 3: Cross multiply
    116,060.96x = 160,135.44 × 68,310.56
  4. Step 4: Simplify right side
    116,060.96x = 10,938,941,582.25
  5. Step 5: Solve for x
    x = 10,938,941,582.25/116,060.96
  6. Step 6: Final answer
    x = 94,251.69

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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.