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Finding the Fourth Proportional to 162,917.70, 244,364.40 and 68,123.40

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Solution

The fourth proportional to 162,917.70, 244,364.40 and 68,123.40 is: 102,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,917.70 : 244,364.40 = 68,123.40 : x
  2. Step 2: Convert to fraction form
    162,917.70/244,364.40 = 68,123.40/x
  3. Step 3: Cross multiply
    162,917.70x = 244,364.40 × 68,123.40
  4. Step 4: Simplify right side
    162,917.70x = 16,646,933,766.96
  5. Step 5: Solve for x
    x = 16,646,933,766.96/162,917.70
  6. Step 6: Final answer
    x = 102,180.02

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1.5x scale

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.