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Finding the Fourth Proportional to 166,996.71, 250,441.61 and 54,646.47

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Solution

The fourth proportional to 166,996.71, 250,441.61 and 54,646.47 is: 81,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,996.71 : 250,441.61 = 54,646.47 : x
  2. Step 2: Convert to fraction form
    166,996.71/250,441.61 = 54,646.47/x
  3. Step 3: Cross multiply
    166,996.71x = 250,441.61 × 54,646.47
  4. Step 4: Simplify right side
    166,996.71x = 13,685,749,654.38
  5. Step 5: Solve for x
    x = 13,685,749,654.38/166,996.71
  6. Step 6: Final answer
    x = 81,952.21

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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.