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Finding the Fourth Proportional to 146,886.38, 202,704.48 and 79,818.38

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Solution

The fourth proportional to 146,886.38, 202,704.48 and 79,818.38 is: 110,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,886.38 : 202,704.48 = 79,818.38 : x
  2. Step 2: Convert to fraction form
    146,886.38/202,704.48 = 79,818.38/x
  3. Step 3: Cross multiply
    146,886.38x = 202,704.48 × 79,818.38
  4. Step 4: Simplify right side
    146,886.38x = 16,179,542,198.82
  5. Step 5: Solve for x
    x = 16,179,542,198.82/146,886.38
  6. Step 6: Final answer
    x = 110,150.05

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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.