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Finding the Fourth Proportional to 162,787.70, 244,181.55 and 92,803.70

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Solution

The fourth proportional to 162,787.70, 244,181.55 and 92,803.70 is: 139,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,787.70 : 244,181.55 = 92,803.70 : x
  2. Step 2: Convert to fraction form
    162,787.70/244,181.55 = 92,803.70/x
  3. Step 3: Cross multiply
    162,787.70x = 244,181.55 × 92,803.70
  4. Step 4: Simplify right side
    162,787.70x = 22,660,951,311.74
  5. Step 5: Solve for x
    x = 22,660,951,311.74/162,787.70
  6. Step 6: Final answer
    x = 139,205.55

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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.