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Finding the Fourth Proportional to 238,668.91, 329,360.60 and 177,687.77

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Solution

The fourth proportional to 238,668.91, 329,360.60 and 177,687.77 is: 245,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.91 : 329,360.60 = 177,687.77 : x
  2. Step 2: Convert to fraction form
    238,668.91/329,360.60 = 177,687.77/x
  3. Step 3: Cross multiply
    238,668.91x = 329,360.60 × 177,687.77
  4. Step 4: Simplify right side
    238,668.91x = 58,523,349,337.28
  5. Step 5: Solve for x
    x = 58,523,349,337.28/238,668.91
  6. Step 6: Final answer
    x = 245,207.26

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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.