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Finding the Fourth Proportional to 125,473.34, 188,043.89 and 92,036.85

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Solution

The fourth proportional to 125,473.34, 188,043.89 and 92,036.85 is: 137,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473.34 : 188,043.89 = 92,036.85 : x
  2. Step 2: Convert to fraction form
    125,473.34/188,043.89 = 92,036.85/x
  3. Step 3: Cross multiply
    125,473.34x = 188,043.89 × 92,036.85
  4. Step 4: Simplify right side
    125,473.34x = 17,306,967,527.44
  5. Step 5: Solve for x
    x = 17,306,967,527.44/125,473.34
  6. Step 6: Final answer
    x = 137,933.42

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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.