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Finding the Fourth Proportional to 359,739.96, 539,019.36 and 122,953.44

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Solution

The fourth proportional to 359,739.96, 539,019.36 and 122,953.44 is: 184,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,739.96 : 539,019.36 = 122,953.44 : x
  2. Step 2: Convert to fraction form
    359,739.96/539,019.36 = 122,953.44/x
  3. Step 3: Cross multiply
    359,739.96x = 539,019.36 × 122,953.44
  4. Step 4: Simplify right side
    359,739.96x = 66,274,284,538.60
  5. Step 5: Solve for x
    x = 66,274,284,538.60/359,739.96
  6. Step 6: Final answer
    x = 184,228.31

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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.