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Finding the Fourth Proportional to 167,187.75, 250,796.21 and 42,528.75

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Solution

The fourth proportional to 167,187.75, 250,796.21 and 42,528.75 is: 63,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,187.75 : 250,796.21 = 42,528.75 : x
  2. Step 2: Convert to fraction form
    167,187.75/250,796.21 = 42,528.75/x
  3. Step 3: Cross multiply
    167,187.75x = 250,796.21 × 42,528.75
  4. Step 4: Simplify right side
    167,187.75x = 10,666,049,316.04
  5. Step 5: Solve for x
    x = 10,666,049,316.04/167,187.75
  6. Step 6: Final answer
    x = 63,796.84

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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.