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Finding the Fourth Proportional to 167,429.60, 251,176.80 and 49,104.80

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Solution

The fourth proportional to 167,429.60, 251,176.80 and 49,104.80 is: 73,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,429.60 : 251,176.80 = 49,104.80 : x
  2. Step 2: Convert to fraction form
    167,429.60/251,176.80 = 49,104.80/x
  3. Step 3: Cross multiply
    167,429.60x = 251,176.80 × 49,104.80
  4. Step 4: Simplify right side
    167,429.60x = 12,333,986,528.64
  5. Step 5: Solve for x
    x = 12,333,986,528.64/167,429.60
  6. Step 6: Final answer
    x = 73,666.70

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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.