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Finding the Fourth Proportional to 108,454.60, 162,584.70 and 96,644.80

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Solution

The fourth proportional to 108,454.60, 162,584.70 and 96,644.80 is: 144,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,454.60 : 162,584.70 = 96,644.80 : x
  2. Step 2: Convert to fraction form
    108,454.60/162,584.70 = 96,644.80/x
  3. Step 3: Cross multiply
    108,454.60x = 162,584.70 × 96,644.80
  4. Step 4: Simplify right side
    108,454.60x = 15,712,965,814.56
  5. Step 5: Solve for x
    x = 15,712,965,814.56/108,454.60
  6. Step 6: Final answer
    x = 144,880.58

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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.