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Finding the Fourth Proportional to 146,185.96, 201,736.56 and 79,117.96

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Solution

The fourth proportional to 146,185.96, 201,736.56 and 79,117.96 is: 109,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,185.96 : 201,736.56 = 79,117.96 : x
  2. Step 2: Convert to fraction form
    146,185.96/201,736.56 = 79,117.96/x
  3. Step 3: Cross multiply
    146,185.96x = 201,736.56 × 79,117.96
  4. Step 4: Simplify right side
    146,185.96x = 15,960,984,689.03
  5. Step 5: Solve for x
    x = 15,960,984,689.03/146,185.96
  6. Step 6: Final answer
    x = 109,182.75

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