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Finding the Fourth Proportional to 229,732.20, 344,991.96 and 124,756.20

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Solution

The fourth proportional to 229,732.20, 344,991.96 and 124,756.20 is: 187,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,732.20 : 344,991.96 = 124,756.20 : x
  2. Step 2: Convert to fraction form
    229,732.20/344,991.96 = 124,756.20/x
  3. Step 3: Cross multiply
    229,732.20x = 344,991.96 × 124,756.20
  4. Step 4: Simplify right side
    229,732.20x = 43,039,885,960.15
  5. Step 5: Solve for x
    x = 43,039,885,960.15/229,732.20
  6. Step 6: Final answer
    x = 187,348.08

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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.