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Finding the Fourth Proportional to 335,392.29, 503,083.98 and 82,675.80

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Solution

The fourth proportional to 335,392.29, 503,083.98 and 82,675.80 is: 124,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,392.29 : 503,083.98 = 82,675.80 : x
  2. Step 2: Convert to fraction form
    335,392.29/503,083.98 = 82,675.80/x
  3. Step 3: Cross multiply
    335,392.29x = 503,083.98 × 82,675.80
  4. Step 4: Simplify right side
    335,392.29x = 41,592,870,513.68
  5. Step 5: Solve for x
    x = 41,592,870,513.68/335,392.29
  6. Step 6: Final answer
    x = 124,012.60

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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.