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Finding the Fourth Proportional to 104,644.58, 156,963.35 and 45,480.26

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Solution

The fourth proportional to 104,644.58, 156,963.35 and 45,480.26 is: 68,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.58 : 156,963.35 = 45,480.26 : x
  2. Step 2: Convert to fraction form
    104,644.58/156,963.35 = 45,480.26/x
  3. Step 3: Cross multiply
    104,644.58x = 156,963.35 × 45,480.26
  4. Step 4: Simplify right side
    104,644.58x = 7,138,732,956.25
  5. Step 5: Solve for x
    x = 7,138,732,956.25/104,644.58
  6. Step 6: Final answer
    x = 68,218.85

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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.