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Finding the Fourth Proportional to 273,428.60, 410,142.90 and 95,953.55

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Solution

The fourth proportional to 273,428.60, 410,142.90 and 95,953.55 is: 143,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,428.60 : 410,142.90 = 95,953.55 : x
  2. Step 2: Convert to fraction form
    273,428.60/410,142.90 = 95,953.55/x
  3. Step 3: Cross multiply
    273,428.60x = 410,142.90 × 95,953.55
  4. Step 4: Simplify right side
    273,428.60x = 39,354,667,262.30
  5. Step 5: Solve for x
    x = 39,354,667,262.30/273,428.60
  6. Step 6: Final answer
    x = 143,930.33

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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.