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Finding the Fourth Proportional to 241,520.70, 362,171.70 and 91,711.20

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Solution

The fourth proportional to 241,520.70, 362,171.70 and 91,711.20 is: 137,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,520.70 : 362,171.70 = 91,711.20 : x
  2. Step 2: Convert to fraction form
    241,520.70/362,171.70 = 91,711.20/x
  3. Step 3: Cross multiply
    241,520.70x = 362,171.70 × 91,711.20
  4. Step 4: Simplify right side
    241,520.70x = 33,215,201,213.04
  5. Step 5: Solve for x
    x = 33,215,201,213.04/241,520.70
  6. Step 6: Final answer
    x = 137,525.28

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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.