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Finding the Fourth Proportional to 269,145.16, 403,791.18 and 79,614.88

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Solution

The fourth proportional to 269,145.16, 403,791.18 and 79,614.88 is: 119,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,145.16 : 403,791.18 = 79,614.88 : x
  2. Step 2: Convert to fraction form
    269,145.16/403,791.18 = 79,614.88/x
  3. Step 3: Cross multiply
    269,145.16x = 403,791.18 × 79,614.88
  4. Step 4: Simplify right side
    269,145.16x = 32,147,786,340.76
  5. Step 5: Solve for x
    x = 32,147,786,340.76/269,145.16
  6. Step 6: Final answer
    x = 119,444.04

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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.