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Finding the Fourth Proportional to 273,168.10, 409,752.15 and 168,046.30

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Solution

The fourth proportional to 273,168.10, 409,752.15 and 168,046.30 is: 252,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,168.10 : 409,752.15 = 168,046.30 : x
  2. Step 2: Convert to fraction form
    273,168.10/409,752.15 = 168,046.30/x
  3. Step 3: Cross multiply
    273,168.10x = 409,752.15 × 168,046.30
  4. Step 4: Simplify right side
    273,168.10x = 68,857,332,724.55
  5. Step 5: Solve for x
    x = 68,857,332,724.55/273,168.10
  6. Step 6: Final answer
    x = 252,069.45

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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.