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Finding the Fourth Proportional to 146,751.66, 202,517.37 and 79,683.66

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Solution

The fourth proportional to 146,751.66, 202,517.37 and 79,683.66 is: 109,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.66 : 202,517.37 = 79,683.66 : x
  2. Step 2: Convert to fraction form
    146,751.66/202,517.37 = 79,683.66/x
  3. Step 3: Cross multiply
    146,751.66x = 202,517.37 × 79,683.66
  4. Step 4: Simplify right side
    146,751.66x = 16,137,325,255.17
  5. Step 5: Solve for x
    x = 16,137,325,255.17/146,751.66
  6. Step 6: Final answer
    x = 109,963.49

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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.