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Finding the Fourth Proportional to 251,668.29, 347,523.75 and 171,287.84

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Solution

The fourth proportional to 251,668.29, 347,523.75 and 171,287.84 is: 236,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,668.29 : 347,523.75 = 171,287.84 : x
  2. Step 2: Convert to fraction form
    251,668.29/347,523.75 = 171,287.84/x
  3. Step 3: Cross multiply
    251,668.29x = 347,523.75 × 171,287.84
  4. Step 4: Simplify right side
    251,668.29x = 59,526,592,486.20
  5. Step 5: Solve for x
    x = 59,526,592,486.20/251,668.29
  6. Step 6: Final answer
    x = 236,527.98

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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.