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Finding the Fourth Proportional to 71,606.50, 107,451.38 and 29,490.82

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Solution

The fourth proportional to 71,606.50, 107,451.38 and 29,490.82 is: 44,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.50 : 107,451.38 = 29,490.82 : x
  2. Step 2: Convert to fraction form
    71,606.50/107,451.38 = 29,490.82/x
  3. Step 3: Cross multiply
    71,606.50x = 107,451.38 × 29,490.82
  4. Step 4: Simplify right side
    71,606.50x = 3,168,828,890.25
  5. Step 5: Solve for x
    x = 3,168,828,890.25/71,606.50
  6. Step 6: Final answer
    x = 44,253.37

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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.