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Finding the Fourth Proportional to 241,620.56, 362,287.28 and 91,871.80

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Solution

The fourth proportional to 241,620.56, 362,287.28 and 91,871.80 is: 137,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,620.56 : 362,287.28 = 91,871.80 : x
  2. Step 2: Convert to fraction form
    241,620.56/362,287.28 = 91,871.80/x
  3. Step 3: Cross multiply
    241,620.56x = 362,287.28 × 91,871.80
  4. Step 4: Simplify right side
    241,620.56x = 33,283,984,530.70
  5. Step 5: Solve for x
    x = 33,283,984,530.70/241,620.56
  6. Step 6: Final answer
    x = 137,753.11

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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.