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Finding the Fourth Proportional to 163,615.80, 244,905.30 and 116,959.80

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Solution

The fourth proportional to 163,615.80, 244,905.30 and 116,959.80 is: 175,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,615.80 : 244,905.30 = 116,959.80 : x
  2. Step 2: Convert to fraction form
    163,615.80/244,905.30 = 116,959.80/x
  3. Step 3: Cross multiply
    163,615.80x = 244,905.30 × 116,959.80
  4. Step 4: Simplify right side
    163,615.80x = 28,644,074,906.94
  5. Step 5: Solve for x
    x = 28,644,074,906.94/163,615.80
  6. Step 6: Final answer
    x = 175,069.12

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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.