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Finding the Fourth Proportional to 162,855.40, 244,283.10 and 109,711.30

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Solution

The fourth proportional to 162,855.40, 244,283.10 and 109,711.30 is: 164,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,855.40 : 244,283.10 = 109,711.30 : x
  2. Step 2: Convert to fraction form
    162,855.40/244,283.10 = 109,711.30/x
  3. Step 3: Cross multiply
    162,855.40x = 244,283.10 × 109,711.30
  4. Step 4: Simplify right side
    162,855.40x = 26,800,616,469.03
  5. Step 5: Solve for x
    x = 26,800,616,469.03/162,855.40
  6. Step 6: Final answer
    x = 164,566.95

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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.