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Finding the Fourth Proportional to 162,799.20, 244,198.80 and 92,815.20

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Solution

The fourth proportional to 162,799.20, 244,198.80 and 92,815.20 is: 139,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,799.20 : 244,198.80 = 92,815.20 : x
  2. Step 2: Convert to fraction form
    162,799.20/244,198.80 = 92,815.20/x
  3. Step 3: Cross multiply
    162,799.20x = 244,198.80 × 92,815.20
  4. Step 4: Simplify right side
    162,799.20x = 22,665,360,461.76
  5. Step 5: Solve for x
    x = 22,665,360,461.76/162,799.20
  6. Step 6: Final answer
    x = 139,222.80

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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.