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Finding the Fourth Proportional to 182,869.80, 274,304.70 and 64,540.20

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Solution

The fourth proportional to 182,869.80, 274,304.70 and 64,540.20 is: 96,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,869.80 : 274,304.70 = 64,540.20 : x
  2. Step 2: Convert to fraction form
    182,869.80/274,304.70 = 64,540.20/x
  3. Step 3: Cross multiply
    182,869.80x = 274,304.70 × 64,540.20
  4. Step 4: Simplify right side
    182,869.80x = 17,703,680,198.94
  5. Step 5: Solve for x
    x = 17,703,680,198.94/182,869.80
  6. Step 6: Final answer
    x = 96,810.30

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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.