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Finding the Fourth Proportional to 146,884.38, 202,701.72 and 79,816.38

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Solution

The fourth proportional to 146,884.38, 202,701.72 and 79,816.38 is: 110,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,884.38 : 202,701.72 = 79,816.38 : x
  2. Step 2: Convert to fraction form
    146,884.38/202,701.72 = 79,816.38/x
  3. Step 3: Cross multiply
    146,884.38x = 202,701.72 × 79,816.38
  4. Step 4: Simplify right side
    146,884.38x = 16,178,917,510.17
  5. Step 5: Solve for x
    x = 16,178,917,510.17/146,884.38
  6. Step 6: Final answer
    x = 110,147.30

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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.