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Finding the Fourth Proportional to 146,792.16, 202,573.26 and 79,724.16

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Solution

The fourth proportional to 146,792.16, 202,573.26 and 79,724.16 is: 110,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,792.16 : 202,573.26 = 79,724.16 : x
  2. Step 2: Convert to fraction form
    146,792.16/202,573.26 = 79,724.16/x
  3. Step 3: Cross multiply
    146,792.16x = 202,573.26 × 79,724.16
  4. Step 4: Simplify right side
    146,792.16x = 16,149,982,991.96
  5. Step 5: Solve for x
    x = 16,149,982,991.96/146,792.16
  6. Step 6: Final answer
    x = 110,019.38

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Why These Related Problems?

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