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Finding the Fourth Proportional to 127,168, 190,786.02 and 44,062

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Solution

The fourth proportional to 127,168, 190,786.02 and 44,062 is: 66,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,168 : 190,786.02 = 44,062 : x
  2. Step 2: Convert to fraction form
    127,168/190,786.02 = 44,062/x
  3. Step 3: Cross multiply
    127,168x = 190,786.02 × 44,062
  4. Step 4: Simplify right side
    127,168x = 8,406,413,613.24
  5. Step 5: Solve for x
    x = 8,406,413,613.24/127,168
  6. Step 6: Final answer
    x = 66,104.79

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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.