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Finding the Fourth Proportional to 233,148.48, 321,744.48 and 131,174.04

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Solution

The fourth proportional to 233,148.48, 321,744.48 and 131,174.04 is: 181,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,148.48 : 321,744.48 = 131,174.04 : x
  2. Step 2: Convert to fraction form
    233,148.48/321,744.48 = 131,174.04/x
  3. Step 3: Cross multiply
    233,148.48x = 321,744.48 × 131,174.04
  4. Step 4: Simplify right side
    233,148.48x = 42,204,523,289.30
  5. Step 5: Solve for x
    x = 42,204,523,289.30/233,148.48
  6. Step 6: Final answer
    x = 181,019.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.