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Finding the Fourth Proportional to 359,559.26, 539,198.68 and 134,797.18

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Solution

The fourth proportional to 359,559.26, 539,198.68 and 134,797.18 is: 202,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,559.26 : 539,198.68 = 134,797.18 : x
  2. Step 2: Convert to fraction form
    359,559.26/539,198.68 = 134,797.18/x
  3. Step 3: Cross multiply
    359,559.26x = 539,198.68 × 134,797.18
  4. Step 4: Simplify right side
    359,559.26x = 72,682,461,523.72
  5. Step 5: Solve for x
    x = 72,682,461,523.72/359,559.26
  6. Step 6: Final answer
    x = 202,143.21

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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.