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Finding the Fourth Proportional to 166,239, 229,396.86 and 98,243.04

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Solution

The fourth proportional to 166,239, 229,396.86 and 98,243.04 is: 135,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,239 : 229,396.86 = 98,243.04 : x
  2. Step 2: Convert to fraction form
    166,239/229,396.86 = 98,243.04/x
  3. Step 3: Cross multiply
    166,239x = 229,396.86 × 98,243.04
  4. Step 4: Simplify right side
    166,239x = 22,536,644,892.85
  5. Step 5: Solve for x
    x = 22,536,644,892.85/166,239
  6. Step 6: Final answer
    x = 135,567.74

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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.