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Finding the Fourth Proportional to 118,167, 177,212.16 and 39,260.04

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Solution

The fourth proportional to 118,167, 177,212.16 and 39,260.04 is: 58,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,167 : 177,212.16 = 39,260.04 : x
  2. Step 2: Convert to fraction form
    118,167/177,212.16 = 39,260.04/x
  3. Step 3: Cross multiply
    118,167x = 177,212.16 × 39,260.04
  4. Step 4: Simplify right side
    118,167x = 6,957,356,490.09
  5. Step 5: Solve for x
    x = 6,957,356,490.09/118,167
  6. Step 6: Final answer
    x = 58,877.32

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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.