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Finding the Fourth Proportional to 281,227.40, 388,033.80 and 166,542.08

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Solution

The fourth proportional to 281,227.40, 388,033.80 and 166,542.08 is: 229,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,227.40 : 388,033.80 = 166,542.08 : x
  2. Step 2: Convert to fraction form
    281,227.40/388,033.80 = 166,542.08/x
  3. Step 3: Cross multiply
    281,227.40x = 388,033.80 × 166,542.08
  4. Step 4: Simplify right side
    281,227.40x = 64,623,956,162.30
  5. Step 5: Solve for x
    x = 64,623,956,162.30/281,227.40
  6. Step 6: Final answer
    x = 229,792.53

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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.