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Finding the Fourth Proportional to 167,573.80, 251,214.90 and 100,943.20

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Solution

The fourth proportional to 167,573.80, 251,214.90 and 100,943.20 is: 151,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,573.80 : 251,214.90 = 100,943.20 : x
  2. Step 2: Convert to fraction form
    167,573.80/251,214.90 = 100,943.20/x
  3. Step 3: Cross multiply
    167,573.80x = 251,214.90 × 100,943.20
  4. Step 4: Simplify right side
    167,573.80x = 25,358,435,893.68
  5. Step 5: Solve for x
    x = 25,358,435,893.68/167,573.80
  6. Step 6: Final answer
    x = 151,326.97

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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.