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Finding the Fourth Proportional to 223,909.54, 308,668.72 and 170,101.14

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Solution

The fourth proportional to 223,909.54, 308,668.72 and 170,101.14 is: 234,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,909.54 : 308,668.72 = 170,101.14 : x
  2. Step 2: Convert to fraction form
    223,909.54/308,668.72 = 170,101.14/x
  3. Step 3: Cross multiply
    223,909.54x = 308,668.72 × 170,101.14
  4. Step 4: Simplify right side
    223,909.54x = 52,504,901,154.34
  5. Step 5: Solve for x
    x = 52,504,901,154.34/223,909.54
  6. Step 6: Final answer
    x = 234,491.58

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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.