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Finding the Fourth Proportional to 281,353.83, 388,206.21 and 166,575.48

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Solution

The fourth proportional to 281,353.83, 388,206.21 and 166,575.48 is: 229,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,353.83 : 388,206.21 = 166,575.48 : x
  2. Step 2: Convert to fraction form
    281,353.83/388,206.21 = 166,575.48/x
  3. Step 3: Cross multiply
    281,353.83x = 388,206.21 × 166,575.48
  4. Step 4: Simplify right side
    281,353.83x = 64,665,635,769.73
  5. Step 5: Solve for x
    x = 64,665,635,769.73/281,353.83
  6. Step 6: Final answer
    x = 229,837.41

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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.