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Finding the Fourth Proportional to 146,797.64, 202,581.78 and 79,729.64

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Solution

The fourth proportional to 146,797.64, 202,581.78 and 79,729.64 is: 110,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,797.64 : 202,581.78 = 79,729.64 : x
  2. Step 2: Convert to fraction form
    146,797.64/202,581.78 = 79,729.64/x
  3. Step 3: Cross multiply
    146,797.64x = 202,581.78 × 79,729.64
  4. Step 4: Simplify right side
    146,797.64x = 16,151,772,389.96
  5. Step 5: Solve for x
    x = 16,151,772,389.96/146,797.64
  6. Step 6: Final answer
    x = 110,027.47

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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.