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Finding the Fourth Proportional to 166,857.62, 250,130.91 and 83,654.42

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Solution

The fourth proportional to 166,857.62, 250,130.91 and 83,654.42 is: 125,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,857.62 : 250,130.91 = 83,654.42 : x
  2. Step 2: Convert to fraction form
    166,857.62/250,130.91 = 83,654.42/x
  3. Step 3: Cross multiply
    166,857.62x = 250,130.91 × 83,654.42
  4. Step 4: Simplify right side
    166,857.62x = 20,924,556,200.12
  5. Step 5: Solve for x
    x = 20,924,556,200.12/166,857.62
  6. Step 6: Final answer
    x = 125,403.66

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1.5x scale

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.