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Finding the Fourth Proportional to 359,558.39, 539,197.37 and 134,796.30

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Solution

The fourth proportional to 359,558.39, 539,197.37 and 134,796.30 is: 202,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,558.39 : 539,197.37 = 134,796.30 : x
  2. Step 2: Convert to fraction form
    359,558.39/539,197.37 = 134,796.30/x
  3. Step 3: Cross multiply
    359,558.39x = 539,197.37 × 134,796.30
  4. Step 4: Simplify right side
    359,558.39x = 72,681,810,782.72
  5. Step 5: Solve for x
    x = 72,681,810,782.72/359,558.39
  6. Step 6: Final answer
    x = 202,141.89

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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.