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Finding the Fourth Proportional to 127,720, 191,668.02 and 44,614

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Solution

The fourth proportional to 127,720, 191,668.02 and 44,614 is: 66,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,720 : 191,668.02 = 44,614 : x
  2. Step 2: Convert to fraction form
    127,720/191,668.02 = 44,614/x
  3. Step 3: Cross multiply
    127,720x = 191,668.02 × 44,614
  4. Step 4: Simplify right side
    127,720x = 8,551,077,044.28
  5. Step 5: Solve for x
    x = 8,551,077,044.28/127,720
  6. Step 6: Final answer
    x = 66,951.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.