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Finding the Fourth Proportional to 241,871.96, 362,930.82 and 108,725.40

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Solution

The fourth proportional to 241,871.96, 362,930.82 and 108,725.40 is: 163,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,871.96 : 362,930.82 = 108,725.40 : x
  2. Step 2: Convert to fraction form
    241,871.96/362,930.82 = 108,725.40/x
  3. Step 3: Cross multiply
    241,871.96x = 362,930.82 × 108,725.40
  4. Step 4: Simplify right side
    241,871.96x = 39,459,798,576.83
  5. Step 5: Solve for x
    x = 39,459,798,576.83/241,871.96
  6. Step 6: Final answer
    x = 163,143.34

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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.