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Finding the Fourth Proportional to 147,668.67, 221,564.97 and 63,447.30

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Solution

The fourth proportional to 147,668.67, 221,564.97 and 63,447.30 is: 95,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,668.67 : 221,564.97 = 63,447.30 : x
  2. Step 2: Convert to fraction form
    147,668.67/221,564.97 = 63,447.30/x
  3. Step 3: Cross multiply
    147,668.67x = 221,564.97 × 63,447.30
  4. Step 4: Simplify right side
    147,668.67x = 14,057,699,121.08
  5. Step 5: Solve for x
    x = 14,057,699,121.08/147,668.67
  6. Step 6: Final answer
    x = 95,197.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.