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Finding the Fourth Proportional to 162,333.60, 243,500.40 and 137,450.40

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Solution

The fourth proportional to 162,333.60, 243,500.40 and 137,450.40 is: 206,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,333.60 : 243,500.40 = 137,450.40 : x
  2. Step 2: Convert to fraction form
    162,333.60/243,500.40 = 137,450.40/x
  3. Step 3: Cross multiply
    162,333.60x = 243,500.40 × 137,450.40
  4. Step 4: Simplify right side
    162,333.60x = 33,469,227,380.16
  5. Step 5: Solve for x
    x = 33,469,227,380.16/162,333.60
  6. Step 6: Final answer
    x = 206,175.60

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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.