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Finding the Fourth Proportional to 104,911.60, 144,692.76 and 96,165.04

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Solution

The fourth proportional to 104,911.60, 144,692.76 and 96,165.04 is: 132,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.60 : 144,692.76 = 96,165.04 : x
  2. Step 2: Convert to fraction form
    104,911.60/144,692.76 = 96,165.04/x
  3. Step 3: Cross multiply
    104,911.60x = 144,692.76 × 96,165.04
  4. Step 4: Simplify right side
    104,911.60x = 13,914,385,053.11
  5. Step 5: Solve for x
    x = 13,914,385,053.11/104,911.60
  6. Step 6: Final answer
    x = 132,629.61

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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.