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Finding the Fourth Proportional to 223,604.13, 335,406.20 and 153,270.21

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Solution

The fourth proportional to 223,604.13, 335,406.20 and 153,270.21 is: 229,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,604.13 : 335,406.20 = 153,270.21 : x
  2. Step 2: Convert to fraction form
    223,604.13/335,406.20 = 153,270.21/x
  3. Step 3: Cross multiply
    223,604.13x = 335,406.20 × 153,270.21
  4. Step 4: Simplify right side
    223,604.13x = 51,407,777,942.95
  5. Step 5: Solve for x
    x = 51,407,777,942.95/223,604.13
  6. Step 6: Final answer
    x = 229,905.32

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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.