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Finding the Fourth Proportional to 146,493.51, 202,162.68 and 79,425.51

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Solution

The fourth proportional to 146,493.51, 202,162.68 and 79,425.51 is: 109,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,493.51 : 202,162.68 = 79,425.51 : x
  2. Step 2: Convert to fraction form
    146,493.51/202,162.68 = 79,425.51/x
  3. Step 3: Cross multiply
    146,493.51x = 202,162.68 × 79,425.51
  4. Step 4: Simplify right side
    146,493.51x = 16,056,873,961.97
  5. Step 5: Solve for x
    x = 16,056,873,961.97/146,493.51
  6. Step 6: Final answer
    x = 109,608.09

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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.