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Finding the Fourth Proportional to 146,605.93, 219,974.51 and 84,276.43

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Solution

The fourth proportional to 146,605.93, 219,974.51 and 84,276.43 is: 126,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,605.93 : 219,974.51 = 84,276.43 : x
  2. Step 2: Convert to fraction form
    146,605.93/219,974.51 = 84,276.43/x
  3. Step 3: Cross multiply
    146,605.93x = 219,974.51 × 84,276.43
  4. Step 4: Simplify right side
    146,605.93x = 18,538,666,393.80
  5. Step 5: Solve for x
    x = 18,538,666,393.80/146,605.93
  6. Step 6: Final answer
    x = 126,452.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.