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Finding the Fourth Proportional to 104,660.80, 144,435.72 and 59,957.44

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Solution

The fourth proportional to 104,660.80, 144,435.72 and 59,957.44 is: 82,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.80 : 144,435.72 = 59,957.44 : x
  2. Step 2: Convert to fraction form
    104,660.80/144,435.72 = 59,957.44/x
  3. Step 3: Cross multiply
    104,660.80x = 144,435.72 × 59,957.44
  4. Step 4: Simplify right side
    104,660.80x = 8,659,996,015.76
  5. Step 5: Solve for x
    x = 8,659,996,015.76/104,660.80
  6. Step 6: Final answer
    x = 82,743.45

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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.