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Finding the Fourth Proportional to 132,401.92, 198,538.20 and 46,983.84

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Solution

The fourth proportional to 132,401.92, 198,538.20 and 46,983.84 is: 70,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.92 : 198,538.20 = 46,983.84 : x
  2. Step 2: Convert to fraction form
    132,401.92/198,538.20 = 46,983.84/x
  3. Step 3: Cross multiply
    132,401.92x = 198,538.20 × 46,983.84
  4. Step 4: Simplify right side
    132,401.92x = 9,328,087,022.69
  5. Step 5: Solve for x
    x = 9,328,087,022.69/132,401.92
  6. Step 6: Final answer
    x = 70,452.81

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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.