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Finding the Fourth Proportional to 270,086.90, 404,882.67 and 103,749.62

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Solution

The fourth proportional to 270,086.90, 404,882.67 and 103,749.62 is: 155,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,086.90 : 404,882.67 = 103,749.62 : x
  2. Step 2: Convert to fraction form
    270,086.90/404,882.67 = 103,749.62/x
  3. Step 3: Cross multiply
    270,086.90x = 404,882.67 × 103,749.62
  4. Step 4: Simplify right side
    270,086.90x = 42,006,423,157.09
  5. Step 5: Solve for x
    x = 42,006,423,157.09/270,086.90
  6. Step 6: Final answer
    x = 155,529.29

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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.