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Finding the Fourth Proportional to 127,585.49, 190,910.17 and 106,473.41

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Solution

The fourth proportional to 127,585.49, 190,910.17 and 106,473.41 is: 159,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.49 : 190,910.17 = 106,473.41 : x
  2. Step 2: Convert to fraction form
    127,585.49/190,910.17 = 106,473.41/x
  3. Step 3: Cross multiply
    127,585.49x = 190,910.17 × 106,473.41
  4. Step 4: Simplify right side
    127,585.49x = 20,326,856,537.40
  5. Step 5: Solve for x
    x = 20,326,856,537.40/127,585.49
  6. Step 6: Final answer
    x = 159,319.51

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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.