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Finding the Fourth Proportional to 137,707.29, 190,010.82 and 92,450.97

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Solution

The fourth proportional to 137,707.29, 190,010.82 and 92,450.97 is: 127,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,707.29 : 190,010.82 = 92,450.97 : x
  2. Step 2: Convert to fraction form
    137,707.29/190,010.82 = 92,450.97/x
  3. Step 3: Cross multiply
    137,707.29x = 190,010.82 × 92,450.97
  4. Step 4: Simplify right side
    137,707.29x = 17,566,684,619.50
  5. Step 5: Solve for x
    x = 17,566,684,619.50/137,707.29
  6. Step 6: Final answer
    x = 127,565.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.