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Finding the Fourth Proportional to 359,133.86, 538,583.57 and 119,183.31

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Solution

The fourth proportional to 359,133.86, 538,583.57 and 119,183.31 is: 178,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,133.86 : 538,583.57 = 119,183.31 : x
  2. Step 2: Convert to fraction form
    359,133.86/538,583.57 = 119,183.31/x
  3. Step 3: Cross multiply
    359,133.86x = 538,583.57 × 119,183.31
  4. Step 4: Simplify right side
    359,133.86x = 64,190,171,988.30
  5. Step 5: Solve for x
    x = 64,190,171,988.30/359,133.86
  6. Step 6: Final answer
    x = 178,736.06

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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.