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Finding the Fourth Proportional to 146,727.38, 202,483.78 and 79,659.38

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Solution

The fourth proportional to 146,727.38, 202,483.78 and 79,659.38 is: 109,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.38 : 202,483.78 = 79,659.38 : x
  2. Step 2: Convert to fraction form
    146,727.38/202,483.78 = 79,659.38/x
  3. Step 3: Cross multiply
    146,727.38x = 202,483.78 × 79,659.38
  4. Step 4: Simplify right side
    146,727.38x = 16,129,731,163.29
  5. Step 5: Solve for x
    x = 16,129,731,163.29/146,727.38
  6. Step 6: Final answer
    x = 109,929.94

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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.