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Finding the Fourth Proportional to 223,640.10, 335,460.15 and 134,847.90

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Solution

The fourth proportional to 223,640.10, 335,460.15 and 134,847.90 is: 202,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,640.10 : 335,460.15 = 134,847.90 : x
  2. Step 2: Convert to fraction form
    223,640.10/335,460.15 = 134,847.90/x
  3. Step 3: Cross multiply
    223,640.10x = 335,460.15 × 134,847.90
  4. Step 4: Simplify right side
    223,640.10x = 45,236,096,761.19
  5. Step 5: Solve for x
    x = 45,236,096,761.19/223,640.10
  6. Step 6: Final answer
    x = 202,271.85

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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.