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Finding the Fourth Proportional to 166,174.80, 249,233.40 and 60,939.60

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Solution

The fourth proportional to 166,174.80, 249,233.40 and 60,939.60 is: 91,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,174.80 : 249,233.40 = 60,939.60 : x
  2. Step 2: Convert to fraction form
    166,174.80/249,233.40 = 60,939.60/x
  3. Step 3: Cross multiply
    166,174.80x = 249,233.40 × 60,939.60
  4. Step 4: Simplify right side
    166,174.80x = 15,188,183,702.64
  5. Step 5: Solve for x
    x = 15,188,183,702.64/166,174.80
  6. Step 6: Final answer
    x = 91,398.84

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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.