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Finding the Fourth Proportional to 241,672.40, 362,335.80 and 108,443.60

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Solution

The fourth proportional to 241,672.40, 362,335.80 and 108,443.60 is: 162,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,672.40 : 362,335.80 = 108,443.60 : x
  2. Step 2: Convert to fraction form
    241,672.40/362,335.80 = 108,443.60/x
  3. Step 3: Cross multiply
    241,672.40x = 362,335.80 × 108,443.60
  4. Step 4: Simplify right side
    241,672.40x = 39,292,998,560.88
  5. Step 5: Solve for x
    x = 39,292,998,560.88/241,672.40
  6. Step 6: Final answer
    x = 162,587.86

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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.