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Finding the Fourth Proportional to 192,437.97, 287,247.78 and 169,712.85

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Solution

The fourth proportional to 192,437.97, 287,247.78 and 169,712.85 is: 253,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,437.97 : 287,247.78 = 169,712.85 : x
  2. Step 2: Convert to fraction form
    192,437.97/287,247.78 = 169,712.85/x
  3. Step 3: Cross multiply
    192,437.97x = 287,247.78 × 169,712.85
  4. Step 4: Simplify right side
    192,437.97x = 48,749,639,399.97
  5. Step 5: Solve for x
    x = 48,749,639,399.97/192,437.97
  6. Step 6: Final answer
    x = 253,326.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.