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Finding the Fourth Proportional to 245,560.20, 368,145.90 and 134,752.20

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Solution

The fourth proportional to 245,560.20, 368,145.90 and 134,752.20 is: 202,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,560.20 : 368,145.90 = 134,752.20 : x
  2. Step 2: Convert to fraction form
    245,560.20/368,145.90 = 134,752.20/x
  3. Step 3: Cross multiply
    245,560.20x = 368,145.90 × 134,752.20
  4. Step 4: Simplify right side
    245,560.20x = 49,608,469,945.98
  5. Step 5: Solve for x
    x = 49,608,469,945.98/245,560.20
  6. Step 6: Final answer
    x = 202,021.62

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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.