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Finding the Fourth Proportional to 359,550.42, 539,185.53 and 134,788.26

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Solution

The fourth proportional to 359,550.42, 539,185.53 and 134,788.26 is: 202,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,550.42 : 539,185.53 = 134,788.26 : x
  2. Step 2: Convert to fraction form
    359,550.42/539,185.53 = 134,788.26/x
  3. Step 3: Cross multiply
    359,550.42x = 539,185.53 × 134,788.26
  4. Step 4: Simplify right side
    359,550.42x = 72,675,879,405.88
  5. Step 5: Solve for x
    x = 72,675,879,405.88/359,550.42
  6. Step 6: Final answer
    x = 202,129.87

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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.