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Finding the Fourth Proportional to 131,843.10, 197,677.29 and 72,707.10

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Solution

The fourth proportional to 131,843.10, 197,677.29 and 72,707.10 is: 109,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843.10 : 197,677.29 = 72,707.10 : x
  2. Step 2: Convert to fraction form
    131,843.10/197,677.29 = 72,707.10/x
  3. Step 3: Cross multiply
    131,843.10x = 197,677.29 × 72,707.10
  4. Step 4: Simplify right side
    131,843.10x = 14,372,542,491.76
  5. Step 5: Solve for x
    x = 14,372,542,491.76/131,843.10
  6. Step 6: Final answer
    x = 109,012.47

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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.