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Finding the Fourth Proportional to 132,465.79, 198,698.78 and 32,628.03

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Solution

The fourth proportional to 132,465.79, 198,698.78 and 32,628.03 is: 48,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.79 : 198,698.78 = 32,628.03 : x
  2. Step 2: Convert to fraction form
    132,465.79/198,698.78 = 32,628.03/x
  3. Step 3: Cross multiply
    132,465.79x = 198,698.78 × 32,628.03
  4. Step 4: Simplify right side
    132,465.79x = 6,483,149,754.80
  5. Step 5: Solve for x
    x = 6,483,149,754.80/132,465.79
  6. Step 6: Final answer
    x = 48,942.07

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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.