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Finding the Fourth Proportional to 226,638.80, 340,087.80 and 156,568.40

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Solution

The fourth proportional to 226,638.80, 340,087.80 and 156,568.40 is: 234,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,638.80 : 340,087.80 = 156,568.40 : x
  2. Step 2: Convert to fraction form
    226,638.80/340,087.80 = 156,568.40/x
  3. Step 3: Cross multiply
    226,638.80x = 340,087.80 × 156,568.40
  4. Step 4: Simplify right side
    226,638.80x = 53,247,002,705.52
  5. Step 5: Solve for x
    x = 53,247,002,705.52/226,638.80
  6. Step 6: Final answer
    x = 234,942.13

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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.