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Finding the Fourth Proportional to 127,207.69, 190,899.01 and 44,101.69

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Solution

The fourth proportional to 127,207.69, 190,899.01 and 44,101.69 is: 66,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.69 : 190,899.01 = 44,101.69 : x
  2. Step 2: Convert to fraction form
    127,207.69/190,899.01 = 44,101.69/x
  3. Step 3: Cross multiply
    127,207.69x = 190,899.01 × 44,101.69
  4. Step 4: Simplify right side
    127,207.69x = 8,418,968,538.21
  5. Step 5: Solve for x
    x = 8,418,968,538.21/127,207.69
  6. Step 6: Final answer
    x = 66,182.86

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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.