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Finding the Fourth Proportional to 152,063.57, 209,846.49 and 84,083.51

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Solution

The fourth proportional to 152,063.57, 209,846.49 and 84,083.51 is: 116,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,063.57 : 209,846.49 = 84,083.51 : x
  2. Step 2: Convert to fraction form
    152,063.57/209,846.49 = 84,083.51/x
  3. Step 3: Cross multiply
    152,063.57x = 209,846.49 × 84,083.51
  4. Step 4: Simplify right side
    152,063.57x = 17,644,629,440.38
  5. Step 5: Solve for x
    x = 17,644,629,440.38/152,063.57
  6. Step 6: Final answer
    x = 116,034.56

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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.