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Finding the Fourth Proportional to 116,544.96, 160,827.26 and 68,813.69

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Solution

The fourth proportional to 116,544.96, 160,827.26 and 68,813.69 is: 94,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,544.96 : 160,827.26 = 68,813.69 : x
  2. Step 2: Convert to fraction form
    116,544.96/160,827.26 = 68,813.69/x
  3. Step 3: Cross multiply
    116,544.96x = 160,827.26 × 68,813.69
  4. Step 4: Simplify right side
    116,544.96x = 11,067,116,064.98
  5. Step 5: Solve for x
    x = 11,067,116,064.98/116,544.96
  6. Step 6: Final answer
    x = 94,960.06

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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.