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Finding the Fourth Proportional to 167,421.60, 251,164.80 and 49,096.80

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Solution

The fourth proportional to 167,421.60, 251,164.80 and 49,096.80 is: 73,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,421.60 : 251,164.80 = 49,096.80 : x
  2. Step 2: Convert to fraction form
    167,421.60/251,164.80 = 49,096.80/x
  3. Step 3: Cross multiply
    167,421.60x = 251,164.80 × 49,096.80
  4. Step 4: Simplify right side
    167,421.60x = 12,331,387,952.64
  5. Step 5: Solve for x
    x = 12,331,387,952.64/167,421.60
  6. Step 6: Final answer
    x = 73,654.70

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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.