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Finding the Fourth Proportional to 237,620.40, 355,847.40 and 158,305.20

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Solution

The fourth proportional to 237,620.40, 355,847.40 and 158,305.20 is: 237,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,620.40 : 355,847.40 = 158,305.20 : x
  2. Step 2: Convert to fraction form
    237,620.40/355,847.40 = 158,305.20/x
  3. Step 3: Cross multiply
    237,620.40x = 355,847.40 × 158,305.20
  4. Step 4: Simplify right side
    237,620.40x = 56,332,493,826.48
  5. Step 5: Solve for x
    x = 56,332,493,826.48/237,620.40
  6. Step 6: Final answer
    x = 237,069.27

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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.