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Finding the Fourth Proportional to 234,622.56, 323,777.21 and 127,189.83

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Solution

The fourth proportional to 234,622.56, 323,777.21 and 127,189.83 is: 175,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,622.56 : 323,777.21 = 127,189.83 : x
  2. Step 2: Convert to fraction form
    234,622.56/323,777.21 = 127,189.83/x
  3. Step 3: Cross multiply
    234,622.56x = 323,777.21 × 127,189.83
  4. Step 4: Simplify right side
    234,622.56x = 41,181,168,297.77
  5. Step 5: Solve for x
    x = 41,181,168,297.77/234,622.56
  6. Step 6: Final answer
    x = 175,520.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.