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Finding the Fourth Proportional to 251,554.73, 377,251.97 and 83,043.68

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Solution

The fourth proportional to 251,554.73, 377,251.97 and 83,043.68 is: 124,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,554.73 : 377,251.97 = 83,043.68 : x
  2. Step 2: Convert to fraction form
    251,554.73/377,251.97 = 83,043.68/x
  3. Step 3: Cross multiply
    251,554.73x = 377,251.97 × 83,043.68
  4. Step 4: Simplify right side
    251,554.73x = 31,328,389,574.57
  5. Step 5: Solve for x
    x = 31,328,389,574.57/251,554.73
  6. Step 6: Final answer
    x = 124,539.06

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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.