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Finding the Fourth Proportional to 162,770.70, 244,156.05 and 103,721.70

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Solution

The fourth proportional to 162,770.70, 244,156.05 and 103,721.70 is: 155,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,770.70 : 244,156.05 = 103,721.70 : x
  2. Step 2: Convert to fraction form
    162,770.70/244,156.05 = 103,721.70/x
  3. Step 3: Cross multiply
    162,770.70x = 244,156.05 × 103,721.70
  4. Step 4: Simplify right side
    162,770.70x = 25,324,280,571.29
  5. Step 5: Solve for x
    x = 25,324,280,571.29/162,770.70
  6. Step 6: Final answer
    x = 155,582.55

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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.