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Finding the Fourth Proportional to 111,801.82, 167,702.73 and 76,634.86

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Solution

The fourth proportional to 111,801.82, 167,702.73 and 76,634.86 is: 114,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,801.82 : 167,702.73 = 76,634.86 : x
  2. Step 2: Convert to fraction form
    111,801.82/167,702.73 = 76,634.86/x
  3. Step 3: Cross multiply
    111,801.82x = 167,702.73 × 76,634.86
  4. Step 4: Simplify right side
    111,801.82x = 12,851,874,013.48
  5. Step 5: Solve for x
    x = 12,851,874,013.48/111,801.82
  6. Step 6: Final answer
    x = 114,952.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.