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Finding the Fourth Proportional to 117,242.82, 161,794.53 and 63,527.81

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Solution

The fourth proportional to 117,242.82, 161,794.53 and 63,527.81 is: 87,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242.82 : 161,794.53 = 63,527.81 : x
  2. Step 2: Convert to fraction form
    117,242.82/161,794.53 = 63,527.81/x
  3. Step 3: Cross multiply
    117,242.82x = 161,794.53 × 63,527.81
  4. Step 4: Simplify right side
    117,242.82x = 10,278,451,351.91
  5. Step 5: Solve for x
    x = 10,278,451,351.91/117,242.82
  6. Step 6: Final answer
    x = 87,668.07

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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.