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Finding the Fourth Proportional to 218,594.62, 301,654.68 and 123,099.26

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Solution

The fourth proportional to 218,594.62, 301,654.68 and 123,099.26 is: 169,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,594.62 : 301,654.68 = 123,099.26 : x
  2. Step 2: Convert to fraction form
    218,594.62/301,654.68 = 123,099.26/x
  3. Step 3: Cross multiply
    218,594.62x = 301,654.68 × 123,099.26
  4. Step 4: Simplify right side
    218,594.62x = 37,133,467,883.54
  5. Step 5: Solve for x
    x = 37,133,467,883.54/218,594.62
  6. Step 6: Final answer
    x = 169,873.66

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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.