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Finding the Fourth Proportional to 185,757.47, 278,548.37 and 71,958.58

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Solution

The fourth proportional to 185,757.47, 278,548.37 and 71,958.58 is: 107,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.47 : 278,548.37 = 71,958.58 : x
  2. Step 2: Convert to fraction form
    185,757.47/278,548.37 = 71,958.58/x
  3. Step 3: Cross multiply
    185,757.47x = 278,548.37 × 71,958.58
  4. Step 4: Simplify right side
    185,757.47x = 20,043,944,182.16
  5. Step 5: Solve for x
    x = 20,043,944,182.16/185,757.47
  6. Step 6: Final answer
    x = 107,903.84

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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.