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Finding the Fourth Proportional to 172,452.87, 237,989.50 and 95,977.12

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Solution

The fourth proportional to 172,452.87, 237,989.50 and 95,977.12 is: 132,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,452.87 : 237,989.50 = 95,977.12 : x
  2. Step 2: Convert to fraction form
    172,452.87/237,989.50 = 95,977.12/x
  3. Step 3: Cross multiply
    172,452.87x = 237,989.50 × 95,977.12
  4. Step 4: Simplify right side
    172,452.87x = 22,841,546,800.24
  5. Step 5: Solve for x
    x = 22,841,546,800.24/172,452.87
  6. Step 6: Final answer
    x = 132,450.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.