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Finding the Fourth Proportional to 167,605.10, 251,419.80 and 100,901.60

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Solution

The fourth proportional to 167,605.10, 251,419.80 and 100,901.60 is: 151,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,605.10 : 251,419.80 = 100,901.60 : x
  2. Step 2: Convert to fraction form
    167,605.10/251,419.80 = 100,901.60/x
  3. Step 3: Cross multiply
    167,605.10x = 251,419.80 × 100,901.60
  4. Step 4: Simplify right side
    167,605.10x = 25,368,660,091.68
  5. Step 5: Solve for x
    x = 25,368,660,091.68/167,605.10
  6. Step 6: Final answer
    x = 151,359.71

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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.