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Finding the Fourth Proportional to 243,668.34, 336,160.41 and 189,859.92

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Solution

The fourth proportional to 243,668.34, 336,160.41 and 189,859.92 is: 261,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,668.34 : 336,160.41 = 189,859.92 : x
  2. Step 2: Convert to fraction form
    243,668.34/336,160.41 = 189,859.92/x
  3. Step 3: Cross multiply
    243,668.34x = 336,160.41 × 189,859.92
  4. Step 4: Simplify right side
    243,668.34x = 63,823,388,549.77
  5. Step 5: Solve for x
    x = 63,823,388,549.77/243,668.34
  6. Step 6: Final answer
    x = 261,927.29

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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.