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Finding the Fourth Proportional to 146,792.13, 202,573.20 and 79,724.13

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Solution

The fourth proportional to 146,792.13, 202,573.20 and 79,724.13 is: 110,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,792.13 : 202,573.20 = 79,724.13 : x
  2. Step 2: Convert to fraction form
    146,792.13/202,573.20 = 79,724.13/x
  3. Step 3: Cross multiply
    146,792.13x = 202,573.20 × 79,724.13
  4. Step 4: Simplify right side
    146,792.13x = 16,149,972,131.32
  5. Step 5: Solve for x
    x = 16,149,972,131.32/146,792.13
  6. Step 6: Final answer
    x = 110,019.33

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1.5x scale

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.