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Finding the Fourth Proportional to 250,496.82, 345,709.53 and 143,082.90

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Solution

The fourth proportional to 250,496.82, 345,709.53 and 143,082.90 is: 197,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,496.82 : 345,709.53 = 143,082.90 : x
  2. Step 2: Convert to fraction form
    250,496.82/345,709.53 = 143,082.90/x
  3. Step 3: Cross multiply
    250,496.82x = 345,709.53 × 143,082.90
  4. Step 4: Simplify right side
    250,496.82x = 49,465,122,110.04
  5. Step 5: Solve for x
    x = 49,465,122,110.04/250,496.82
  6. Step 6: Final answer
    x = 197,468.06

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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.