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Finding the Fourth Proportional to 146,781.27, 202,559.18 and 79,713.27

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Solution

The fourth proportional to 146,781.27, 202,559.18 and 79,713.27 is: 110,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,781.27 : 202,559.18 = 79,713.27 : x
  2. Step 2: Convert to fraction form
    146,781.27/202,559.18 = 79,713.27/x
  3. Step 3: Cross multiply
    146,781.27x = 202,559.18 × 79,713.27
  4. Step 4: Simplify right side
    146,781.27x = 16,146,653,792.81
  5. Step 5: Solve for x
    x = 16,146,653,792.81/146,781.27
  6. Step 6: Final answer
    x = 110,004.87

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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.