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Finding the Fourth Proportional to 163,066.80, 244,600.20 and 74,493.30

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Solution

The fourth proportional to 163,066.80, 244,600.20 and 74,493.30 is: 111,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,066.80 : 244,600.20 = 74,493.30 : x
  2. Step 2: Convert to fraction form
    163,066.80/244,600.20 = 74,493.30/x
  3. Step 3: Cross multiply
    163,066.80x = 244,600.20 × 74,493.30
  4. Step 4: Simplify right side
    163,066.80x = 18,221,076,078.66
  5. Step 5: Solve for x
    x = 18,221,076,078.66/163,066.80
  6. Step 6: Final answer
    x = 111,739.95

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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.