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Finding the Fourth Proportional to 132,057.76, 198,144.72 and 53,325.76

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Solution

The fourth proportional to 132,057.76, 198,144.72 and 53,325.76 is: 80,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,057.76 : 198,144.72 = 53,325.76 : x
  2. Step 2: Convert to fraction form
    132,057.76/198,144.72 = 53,325.76/x
  3. Step 3: Cross multiply
    132,057.76x = 198,144.72 × 53,325.76
  4. Step 4: Simplify right side
    132,057.76x = 10,566,217,783.99
  5. Step 5: Solve for x
    x = 10,566,217,783.99/132,057.76
  6. Step 6: Final answer
    x = 80,012.09

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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.