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Finding the Fourth Proportional to 132,618.87, 198,926.37 and 32,779.08

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Solution

The fourth proportional to 132,618.87, 198,926.37 and 32,779.08 is: 49,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.87 : 198,926.37 = 32,779.08 : x
  2. Step 2: Convert to fraction form
    132,618.87/198,926.37 = 32,779.08/x
  3. Step 3: Cross multiply
    132,618.87x = 198,926.37 × 32,779.08
  4. Step 4: Simplify right side
    132,618.87x = 6,520,622,401.71
  5. Step 5: Solve for x
    x = 6,520,622,401.71/132,618.87
  6. Step 6: Final answer
    x = 49,168.13

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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.