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Finding the Fourth Proportional to 132,846.90, 199,577.55 and 91,374.90

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Solution

The fourth proportional to 132,846.90, 199,577.55 and 91,374.90 is: 137,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,846.90 : 199,577.55 = 91,374.90 : x
  2. Step 2: Convert to fraction form
    132,846.90/199,577.55 = 91,374.90/x
  3. Step 3: Cross multiply
    132,846.90x = 199,577.55 × 91,374.90
  4. Step 4: Simplify right side
    132,846.90x = 18,236,378,673.50
  5. Step 5: Solve for x
    x = 18,236,378,673.50/132,846.90
  6. Step 6: Final answer
    x = 137,273.65

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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.