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Finding the Fourth Proportional to 110,283.23, 165,479.54 and 43,721.88

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Solution

The fourth proportional to 110,283.23, 165,479.54 and 43,721.88 is: 65,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,283.23 : 165,479.54 = 43,721.88 : x
  2. Step 2: Convert to fraction form
    110,283.23/165,479.54 = 43,721.88/x
  3. Step 3: Cross multiply
    110,283.23x = 165,479.54 × 43,721.88
  4. Step 4: Simplify right side
    110,283.23x = 7,235,076,371.73
  5. Step 5: Solve for x
    x = 7,235,076,371.73/110,283.23
  6. Step 6: Final answer
    x = 65,604.50

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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.