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Finding the Fourth Proportional to 132,618.97, 198,926.50 and 32,779.17

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Solution

The fourth proportional to 132,618.97, 198,926.50 and 32,779.17 is: 49,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.97 : 198,926.50 = 32,779.17 : x
  2. Step 2: Convert to fraction form
    132,618.97/198,926.50 = 32,779.17/x
  3. Step 3: Cross multiply
    132,618.97x = 198,926.50 × 32,779.17
  4. Step 4: Simplify right side
    132,618.97x = 6,520,645,561.01
  5. Step 5: Solve for x
    x = 6,520,645,561.01/132,618.97
  6. Step 6: Final answer
    x = 49,168.27

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1.5x scale

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.