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Finding the Fourth Proportional to 118,047.31, 177,105.50 and 38,083.73

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Solution

The fourth proportional to 118,047.31, 177,105.50 and 38,083.73 is: 57,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.31 : 177,105.50 = 38,083.73 : x
  2. Step 2: Convert to fraction form
    118,047.31/177,105.50 = 38,083.73/x
  3. Step 3: Cross multiply
    118,047.31x = 177,105.50 × 38,083.73
  4. Step 4: Simplify right side
    118,047.31x = 6,744,838,581.49
  5. Step 5: Solve for x
    x = 6,744,838,581.49/118,047.31
  6. Step 6: Final answer
    x = 57,136.74

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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.