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Finding the Fourth Proportional to 359,410.24, 539,163.96 and 122,689.36

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Solution

The fourth proportional to 359,410.24, 539,163.96 and 122,689.36 is: 184,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,410.24 : 539,163.96 = 122,689.36 : x
  2. Step 2: Convert to fraction form
    359,410.24/539,163.96 = 122,689.36/x
  3. Step 3: Cross multiply
    359,410.24x = 539,163.96 × 122,689.36
  4. Step 4: Simplify right side
    359,410.24x = 66,149,681,187.47
  5. Step 5: Solve for x
    x = 66,149,681,187.47/359,410.24
  6. Step 6: Final answer
    x = 184,050.63

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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.