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Finding the Fourth Proportional to 114,668.91, 158,237.69 and 63,684.90

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Solution

The fourth proportional to 114,668.91, 158,237.69 and 63,684.90 is: 87,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,668.91 : 158,237.69 = 63,684.90 : x
  2. Step 2: Convert to fraction form
    114,668.91/158,237.69 = 63,684.90/x
  3. Step 3: Cross multiply
    114,668.91x = 158,237.69 × 63,684.90
  4. Step 4: Simplify right side
    114,668.91x = 10,077,351,145.46
  5. Step 5: Solve for x
    x = 10,077,351,145.46/114,668.91
  6. Step 6: Final answer
    x = 87,882.16

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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.