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Finding the Fourth Proportional to 167,891.20, 251,836.80 and 94,009.60

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Solution

The fourth proportional to 167,891.20, 251,836.80 and 94,009.60 is: 141,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891.20 : 251,836.80 = 94,009.60 : x
  2. Step 2: Convert to fraction form
    167,891.20/251,836.80 = 94,009.60/x
  3. Step 3: Cross multiply
    167,891.20x = 251,836.80 × 94,009.60
  4. Step 4: Simplify right side
    167,891.20x = 23,675,076,833.28
  5. Step 5: Solve for x
    x = 23,675,076,833.28/167,891.20
  6. Step 6: Final answer
    x = 141,014.40

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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.