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Finding the Fourth Proportional to 167,864.40, 251,796.60 and 166,114.80

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Solution

The fourth proportional to 167,864.40, 251,796.60 and 166,114.80 is: 249,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,864.40 : 251,796.60 = 166,114.80 : x
  2. Step 2: Convert to fraction form
    167,864.40/251,796.60 = 166,114.80/x
  3. Step 3: Cross multiply
    167,864.40x = 251,796.60 × 166,114.80
  4. Step 4: Simplify right side
    167,864.40x = 41,827,141,849.68
  5. Step 5: Solve for x
    x = 41,827,141,849.68/167,864.40
  6. Step 6: Final answer
    x = 249,172.20

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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.