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Finding the Fourth Proportional to 166,404.40, 249,606.60 and 164,654.80

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Solution

The fourth proportional to 166,404.40, 249,606.60 and 164,654.80 is: 246,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,404.40 : 249,606.60 = 164,654.80 : x
  2. Step 2: Convert to fraction form
    166,404.40/249,606.60 = 164,654.80/x
  3. Step 3: Cross multiply
    166,404.40x = 249,606.60 × 164,654.80
  4. Step 4: Simplify right side
    166,404.40x = 41,098,924,801.68
  5. Step 5: Solve for x
    x = 41,098,924,801.68/166,404.40
  6. Step 6: Final answer
    x = 246,982.20

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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.