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Finding the Fourth Proportional to 162,800.70, 244,188.90 and 68,006.40

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Solution

The fourth proportional to 162,800.70, 244,188.90 and 68,006.40 is: 102,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,800.70 : 244,188.90 = 68,006.40 : x
  2. Step 2: Convert to fraction form
    162,800.70/244,188.90 = 68,006.40/x
  3. Step 3: Cross multiply
    162,800.70x = 244,188.90 × 68,006.40
  4. Step 4: Simplify right side
    162,800.70x = 16,606,408,008.96
  5. Step 5: Solve for x
    x = 16,606,408,008.96/162,800.70
  6. Step 6: Final answer
    x = 102,004.52

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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.