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Finding the Fourth Proportional to 162,785.70, 244,166.40 and 67,991.40

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Solution

The fourth proportional to 162,785.70, 244,166.40 and 67,991.40 is: 101,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,785.70 : 244,166.40 = 67,991.40 : x
  2. Step 2: Convert to fraction form
    162,785.70/244,166.40 = 67,991.40/x
  3. Step 3: Cross multiply
    162,785.70x = 244,166.40 × 67,991.40
  4. Step 4: Simplify right side
    162,785.70x = 16,601,215,368.96
  5. Step 5: Solve for x
    x = 16,601,215,368.96/162,785.70
  6. Step 6: Final answer
    x = 101,982.03

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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.