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Finding the Fourth Proportional to 162,800.80, 244,006.80 and 68,030.80

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Solution

The fourth proportional to 162,800.80, 244,006.80 and 68,030.80 is: 101,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,800.80 : 244,006.80 = 68,030.80 : x
  2. Step 2: Convert to fraction form
    162,800.80/244,006.80 = 68,030.80/x
  3. Step 3: Cross multiply
    162,800.80x = 244,006.80 × 68,030.80
  4. Step 4: Simplify right side
    162,800.80x = 16,599,977,809.44
  5. Step 5: Solve for x
    x = 16,599,977,809.44/162,800.80
  6. Step 6: Final answer
    x = 101,964.96

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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.