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Finding the Fourth Proportional to 168,399.76, 232,290.84 and 123,022.30

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Solution

The fourth proportional to 168,399.76, 232,290.84 and 123,022.30 is: 169,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399.76 : 232,290.84 = 123,022.30 : x
  2. Step 2: Convert to fraction form
    168,399.76/232,290.84 = 123,022.30/x
  3. Step 3: Cross multiply
    168,399.76x = 232,290.84 × 123,022.30
  4. Step 4: Simplify right side
    168,399.76x = 28,576,953,405.73
  5. Step 5: Solve for x
    x = 28,576,953,405.73/168,399.76
  6. Step 6: Final answer
    x = 169,697.11

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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.